forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			786 lines
		
	
	
		
			35 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			786 lines
		
	
	
		
			35 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - -fsanitize-address-use-after-scope | FileCheck %s --check-prefix=CHECK --check-prefix=LIFETIME --check-prefix=OMP45
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// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t -fopenmp-version=50 %s
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// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - -fopenmp-version=50 | FileCheck %s --check-prefix=CHECK --check-prefix=OMP5
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// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix=CHECK --check-prefix=OMP45
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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
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// RUN: %clang_cc1 -main-file-name for_codegen.cpp %s -o - -emit-llvm -fprofile-instrument=clang -fprofile-instrument-path=for_codegen-test.profraw | FileCheck %s --check-prefix=PROF-INSTR-PATH
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// RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck --check-prefix SIMD-ONLY0 %s
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// RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t -fopenmp-version=50 %s
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// RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - -fopenmp-version=50 | FileCheck --check-prefix SIMD-ONLY0 %s
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// RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
 | 
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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp-simd -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
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// RUN: %clang_cc1 -main-file-name for_codegen.cpp %s -o - -emit-llvm -fprofile-instrument=clang -fprofile-instrument-path=for_codegen-test.profraw | FileCheck --check-prefix SIMD-ONLY0 %s
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// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
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//
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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// PROF-INSTR-PATH: constant [25 x i8] c"for_codegen-test.profraw\00"
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// CHECK: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
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// CHECK-DAG: [[IMPLICIT_BARRIER_LOC:@.+]] = private unnamed_addr global %{{.+}} { i32 0, i32 66, i32 0, i32 0, i8*
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// CHECK-DAG: [[LOOP_LOC:@.+]] = private unnamed_addr global %{{.+}} { i32 0, i32 514, i32 0, i32 0, i8*
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// CHECK-DAG: [[I:@.+]] = global i8 1,
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// CHECK-DAG: [[J:@.+]] = global i8 2,
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// CHECK-DAG: [[K:@.+]] = global i8 3,
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// CHECK-LABEL: loop_with_counter_collapse
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void loop_with_counter_collapse() {
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  // Captured initializations.
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  // CHECK: store i32 0, i32* [[I_TMP:%.+]],
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  // CHECK: [[VAL:%.+]] = load i32, i32* [[I_TMP]],
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  // CHECK: store i32 [[VAL]], i32* [[J_LB_MIN:%.+]],
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  // CHECK: store i32 3, i32* [[I_TMP]],
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  // CHECK: [[VAL:%.+]] = load i32, i32* [[I_TMP]],
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  // CHECK: store i32 [[VAL]], i32* [[J_LB_MAX:%.+]],
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  // CHECK: [[J_LB_MIN_VAL:%.+]] = load i32, i32* [[J_LB_MIN]],
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  // CHECK: [[J_LB_MAX_VAL:%.+]] = load i32, i32* [[J_LB_MAX]],
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  // CHECK: [[CMP:%.+]] = icmp slt i32 [[J_LB_MIN_VAL]], [[J_LB_MAX_VAL]]
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  // CHECK: [[BOOL:%.+]] = zext i1 [[CMP]] to i8
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  // CHECK: store i8 [[BOOL]], i8* [[J_LB_CMP:%.+]],
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  // CHECK: store i32 0, i32* [[I_TMP]],
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  // CHECK: [[VAL:%.+]] = load i32, i32* [[I_TMP]],
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  // CHECK: [[J_UB_MIN_VAL:%.+]] = add nsw i32 4, [[VAL]]
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  // CHECK: store i32 [[J_UB_MIN_VAL]], i32* [[J_UB_MIN:%.+]],
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  // CHECK: store i32 3, i32* [[I_TMP]],
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  // CHECK: [[VAL:%.+]] = load i32, i32* [[I_TMP]],
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  // CHECK: [[J_UB_MAX_VAL:%.+]] = add nsw i32 4, [[VAL]]
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  // CHECK: store i32 [[J_UB_MAX_VAL]], i32* [[J_UB_MAX:%.+]],
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  // CHECK: [[J_UB_MIN_VAL:%.+]] = load i32, i32* [[J_UB_MIN]],
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  // CHECK: [[J_UB_MAX_VAL:%.+]] = load i32, i32* [[J_UB_MAX]],
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  // CHECK: [[CMP:%.+]] = icmp sgt i32 [[J_UB_MIN_VAL]], [[J_UB_MAX_VAL]]
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  // CHECK: [[BOOL:%.+]] = zext i1 [[CMP]] to i8
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  // CHECK: store i8 [[BOOL]], i8* [[J_UB_CMP:%.+]],
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  // CHECK: [[J_UB_CMP_VAL:%.+]] = load i8, i8* [[J_UB_CMP]],
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  // CHECK: [[BOOL:%.+]] = trunc i8 [[J_UB_CMP_VAL]] to i1
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  // CHECK: br i1 [[BOOL]], label %[[TRUE:[^,]+]], label %[[FALSE:[^,]+]]
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  // CHECK: [[TRUE]]:
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  // CHECK: [[J_UB_MIN_VAL:%.+]] = load i32, i32* [[J_UB_MIN]],
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  // CHECK: br label %[[EXIT:[^,]+]]
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  // CHECK: [[FALSE]]:
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  // CHECK: [[J_UB_MAX_VAL:%.+]] = load i32, i32* [[J_UB_MAX]],
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  // CHECK: br label %[[EXIT]]
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  // CHECK: [[EXIT]]:
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  // CHECK: [[J_UB_VAL:%.+]] = phi i32 [ [[J_UB_MIN_VAL]], %[[TRUE]] ], [ [[J_UB_MAX_VAL]], %[[FALSE]] ]
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  // CHECK: store i32 [[J_UB_VAL]], i32* [[J_UB:%.+]],
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  // CHECK: [[J_LB_CMP_VAL:%.+]] = load i8, i8* [[J_LB_CMP]],
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  // CHECK: [[BOOL:%.+]] = trunc i8 [[J_LB_CMP_VAL]] to i1
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  // CHECK: br i1 [[BOOL]], label %[[TRUE:[^,]+]], label %[[FALSE:[^,]+]]
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  // CHECK: [[TRUE]]:
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  // CHECK: [[J_LB_MIN_VAL:%.+]] = load i32, i32* [[J_LB_MIN]],
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  // CHECK: br label %[[EXIT:[^,]+]]
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  // CHECK: [[FALSE]]:
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  // CHECK: [[J_LB_MAX_VAL:%.+]] = load i32, i32* [[J_LB_MAX]],
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  // CHECK: br label %[[EXIT]]
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  // CHECK: [[EXIT]]:
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  // CHECK: [[J_LB_VAL:%.+]] = phi i32 [ [[J_LB_MIN_VAL]], %[[TRUE]] ], [ [[J_LB_MAX_VAL]], %[[FALSE]] ]
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  // CHECK: store i32 [[J_LB_VAL]], i32* [[J_LB:%.+]],
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  // CHECK: [[J_UB_VAL:%.+]] = load i32, i32* [[J_UB]],
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  // CHECK: [[J_LB_VAL:%.+]] = load i32, i32* [[J_LB]],
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  // CHECK: [[SUB:%.+]] = sub nsw i32 [[J_UB_VAL]], [[J_LB_VAL]]
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  // CHECK: [[SUB_ST:%.+]] = sub nsw i32 [[SUB]], 1
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  // CHECK: [[ADD_ST:%.+]] = add nsw i32 [[SUB_ST]], 1
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  // CHECK: [[DIV_ST:%.+]] = sdiv i32 [[ADD_ST]], 1
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  // CHECK: [[CAST:%.+]] = sext i32 [[DIV_ST]] to i64
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  // CHECK: [[MUL:%.+]] = mul nsw i64 4, [[CAST]]
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  // CHECK: [[NUM_ITERS_VAL:%.+]] = sub nsw i64 [[MUL]], 1
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  // CHECK: store i64 [[NUM_ITERS_VAL]], i64* [[NUM_ITERS:%.+]],
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  // CHECK: store i64 0, i64* [[LB:%.+]],
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  // CHECK: [[NUM_ITERS_VAL:%.+]] = load i64, i64* [[NUM_ITERS]],
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  // CHECK: store i64 [[NUM_ITERS_VAL]], i64* [[UB:%.+]],
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  // CHECK: store i64 1, i64* [[STRIDE:%.+]],
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  // CHECK: store i32 0, i32* [[IS_LAST:%.+]],
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  // CHECK: call void @__kmpc_for_static_init_8(%struct.ident_t* @{{.+}}, i32 %{{.+}}, i32 34, i32* [[IS_LAST]], i64* [[LB]], i64* [[UB]], i64* [[STRIDE]], i64 1, i64 1)
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  // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
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  // CHECK: [[NUM_ITERS_VAL:%.+]] = load i64, i64* [[NUM_ITERS]],
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  // CHECK: [[CMP:%.+]] = icmp sgt i64 [[UB_VAL]], [[NUM_ITERS_VAL]]
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  // CHECK: br i1 [[CMP]], label %[[TRUE:[^,]+]], label %[[FALSE:[^,]+]]
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  // CHECK: [[TRUE]]:
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  // CHECK: [[NUM_ITERS_VAL:%.+]] = load i64, i64* [[NUM_ITERS]],
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  // CHECK: br label %[[DONE:[^,]+]]
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  // CHECK: [[FALSE]]:
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  // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
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  // CHECK: br label %[[DONE]]
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  // CHECK: [[DONE]]:
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  // CHECK: [[TOP:%.+]] = phi i64 [ [[NUM_ITERS_VAL]], %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
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  // CHECK: store i64 [[TOP]], i64* [[UB]],
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  // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
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  // CHECK: store i64 [[LB_VAL]], i64* [[IV:%.+]],
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  // CHECK: br label %[[COND:[^,]+]]
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  // CHECK: [[COND]]:
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  // CHECK: [[IV_VAL:%.+]] = load i64, i64* [[IV]],
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  // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
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  // CHECK: [[CMP:%.+]] = icmp sle i64 [[IV_VAL]], [[UB_VAL]]
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  // CHECK: br i1 [[CMP]], label %[[BODY:[^,]+]], label %[[CLEANUP:[^,]+]]
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  // LIFETIME: [[CLEANUP]]:
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  // LIFETIME: br label %[[CLEANUP:[^,]+]]
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  // CHECK: [[BODY]]:
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  // CHECK: [[IV_VAL:%.+]] = load i64, i64* [[IV]],
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  // CHECK: [[J_UB_VAL:%.+]] = load i32, i32* [[J_UB]],
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  // CHECK: [[J_LB_VAL:%.+]] = load i32, i32* [[J_LB]],
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  // CHECK: [[SUB:%.+]] = sub nsw i32 [[J_UB_VAL]], [[J_LB_VAL]]
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  // CHECK: [[SUB_ST:%.+]] = sub nsw i32 [[SUB]], 1
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  // CHECK: [[ADD_ST:%.+]] = add nsw i32 [[SUB_ST]], 1
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  // CHECK: [[DIV_ST:%.+]] = sdiv i32 [[ADD_ST]], 1
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  // CHECK: [[MUL:%.+]] = mul nsw i32 1, [[DIV_ST]]
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  // CHECK: [[CAST:%.+]] = sext i32 [[MUL]] to i64
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  // CHECK: [[DIV:%.+]] = sdiv i64 [[IV_VAL]], [[CAST]]
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  // CHECK: [[MUL:%.+]] = mul nsw i64 [[DIV]], 1
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  // CHECK: [[ADD:%.+]] = add nsw i64 0, [[MUL]]
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  // CHECK: [[CAST:%.+]] = trunc i64 [[ADD]] to i32
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  // CHECK: store i32 [[CAST]], i32* [[I_PRIV:%.+]],
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  // CHECK: [[I_VAL:%.+]] = load i32, i32* [[I_PRIV]],
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  // CHECK: [[CONV:%.+]] = sext i32 [[I_VAL]] to i64
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  // CHECK: [[IV_VAL:%.+]] = load i64, i64* [[IV]],
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  // CHECK: [[IV_VAL1:%.+]] = load i64, i64* [[IV]],
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  // CHECK: [[J_UB_VAL:%.+]] = load i32, i32* [[J_UB]],
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  // CHECK: [[J_LB_VAL:%.+]] = load i32, i32* [[J_LB]],
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  // CHECK: [[SUB:%.+]] = sub nsw i32 [[J_UB_VAL]], [[J_LB_VAL]]
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  // CHECK: [[SUB_ST:%.+]] = sub nsw i32 [[SUB]], 1
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  // CHECK: [[ADD_ST:%.+]] = add nsw i32 [[SUB_ST]], 1
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  // CHECK: [[DIV_ST:%.+]] = sdiv i32 [[ADD_ST]], 1
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  // CHECK: [[MUL:%.+]] = mul nsw i32 1, [[DIV_ST]]
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  // CHECK: [[CAST:%.+]] = sext i32 [[MUL]] to i64
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  // CHECK: [[DIV:%.+]] = sdiv i64 [[IV_VAL1]], [[CAST]]
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  // CHECK: [[J_UB_VAL:%.+]] = load i32, i32* [[J_UB]],
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  // CHECK: [[J_LB_VAL:%.+]] = load i32, i32* [[J_LB]],
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  // CHECK: [[SUB:%.+]] = sub nsw i32 [[J_UB_VAL]], [[J_LB_VAL]]
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  // CHECK: [[SUB_ST:%.+]] = sub nsw i32 [[SUB]], 1
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  // CHECK: [[ADD_ST:%.+]] = add nsw i32 [[SUB_ST]], 1
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  // CHECK: [[DIV_ST:%.+]] = sdiv i32 [[ADD_ST]], 1
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  // CHECK: [[MUL:%.+]] = mul nsw i32 1, [[DIV_ST]]
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  // CHECK: [[CAST:%.+]] = sext i32 [[MUL]] to i64
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  // CHECK: [[MUL:%.+]] = mul nsw i64 [[DIV]], [[CAST]]
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  // CHECK: [[SUB:%.+]] = sub nsw i64 [[IV_VAL]], [[MUL]]
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  // CHECK: [[MUL:%.+]] = mul nsw i64 [[SUB:%.+]], 1
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  // CHECK: [[ADD:%.+]] = add nsw i64 [[CONV]], [[MUL]]
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  // CHECK: [[CAST:%.+]] = trunc i64 [[ADD]] to i32
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  // CHECK: store i32 [[CAST]], i32* [[J_PRIV:%.+]],
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  // Check that the loop variable is not out of its boundaries.
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  // CHECK: [[J_VAL:%.+]] = load i32, i32* [[J_PRIV]],
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  // CHECK: [[I_VAL:%.+]] = load i32, i32* [[I_PRIV]],
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  // CHECK: [[J_COND:%.+]] = add nsw i32 4, [[I_VAL]]
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  // CHECK: [[CMP:%.+]] = icmp slt i32 [[J_VAL]], [[J_COND]]
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  // CHECK: br i1 [[CMP]], label %[[NEXT:[^,]+]], label %[[BODY_CONT:[^,]+]]
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  // CHECK: [[NEXT]]:
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  // Main body is empty.
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  // CHECK: br label %[[BODY_CONT]]
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  // CHECK: [[BODY_CONT]]:
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  // CHECK: br label %[[INC:[^,]+]]
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  // CHECK: [[INC]]:
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  // CHECK: [[IV_VAL:%.+]] = load i64, i64* [[IV]],
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  // CHECK: [[ADD:%.+]] = add nsw i64 [[IV_VAL]], 1
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  // CHECK: store i64 [[ADD]], i64* [[IV]],
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  // CHECK: br label %[[COND]]
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  // CHECK: [[CLEANUP]]:
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  // CHECK: br label %[[EXIT:[^,]+]]
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  // CHECK: [[EXIT]]:
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  // CHECK: call void @__kmpc_for_static_fini(%struct.ident_t* @{{.+}}, i32 %{{.+}})
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  // LIFETIME: call void @llvm.lifetime.end
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  // LIFETIME: call void @llvm.lifetime.end
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  // LIFETIME: call void @llvm.lifetime.end
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  // LIFETIME: call void @llvm.lifetime.end
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  // LIFETIME: call void @llvm.lifetime.end
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  // LIFETIME: call void @llvm.lifetime.end
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  // LIFETIME: call void @llvm.lifetime.end
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  // LIFETIME: call void @llvm.lifetime.end
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  // LIFETIME: call void @llvm.lifetime.end
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  #pragma omp for collapse(2)
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  for (int i = 0; i < 4; i++) {
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    for (int j = i; j < 4 + i; j++) {
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    }
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  }
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}
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// CHECK-LABEL: define {{.*void}} @{{.*}}without_schedule_clause{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
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void without_schedule_clause(float *a, float *b, float *c, float *d) {
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
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  #pragma omp for nowait
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// CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 1)
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// UB = min(UB, GlobalUB)
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// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
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// CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423
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// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
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// CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
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// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
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// CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]]
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// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
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// Loop header
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// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
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// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
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// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
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// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
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  for (int i = 33; i < 32000000; i += 7) {
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// CHECK: [[LOOP1_BODY]]
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// Start of body: calculate i from IV:
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// CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]
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// CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7
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// CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 33, [[CALC_I_1]]
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// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
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						|
// ... loop body ...
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// End of body: store into a[i]:
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// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
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// CHECK-NOT: !llvm.access.group
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    a[i] = b[i] * c[i] * d[i];
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// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
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// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
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// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
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// CHECK-NEXT: br label %{{.+}}
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						|
  }
 | 
						|
// CHECK: [[LOOP1_END]]
 | 
						|
// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]])
 | 
						|
// CHECK-NOT: __kmpc_barrier
 | 
						|
// CHECK: ret void
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: define {{.*void}} @{{.*}}static_not_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
 | 
						|
void static_not_chunked(float *a, float *b, float *c, float *d) {
 | 
						|
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
 | 
						|
  #pragma omp for schedule(static)
 | 
						|
// CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 1)
 | 
						|
// UB = min(UB, GlobalUB)
 | 
						|
// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423
 | 
						|
// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
 | 
						|
// CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
 | 
						|
// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]]
 | 
						|
// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
 | 
						|
// Loop header
 | 
						|
// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
 | 
						|
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
 | 
						|
  for (int i = 32000000; i > 33; i += -7) {
 | 
						|
// CHECK: [[LOOP1_BODY]]
 | 
						|
// Start of body: calculate i from IV:
 | 
						|
// CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7
 | 
						|
// CHECK-NEXT: [[CALC_I_2:%.+]] = sub nsw i32 32000000, [[CALC_I_1]]
 | 
						|
// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
 | 
						|
// ... loop body ...
 | 
						|
// End of body: store into a[i]:
 | 
						|
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
 | 
						|
// CHECK-NOT: !llvm.access.group
 | 
						|
    a[i] = b[i] * c[i] * d[i];
 | 
						|
// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
 | 
						|
// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
 | 
						|
// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: br label %{{.+}}
 | 
						|
  }
 | 
						|
// CHECK: [[LOOP1_END]]
 | 
						|
// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]])
 | 
						|
// CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
 | 
						|
// CHECK: ret void
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: define {{.*void}} @{{.*}}static_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
 | 
						|
void static_chunked(float *a, float *b, float *c, float *d) {
 | 
						|
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
 | 
						|
  #pragma omp for schedule(monotonic: static, 5)
 | 
						|
// CHECK: call void @__kmpc_for_static_init_4u([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]], i32 536870945, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 5)
 | 
						|
// UB = min(UB, GlobalUB)
 | 
						|
// CHECK: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[UBCMP:%.+]] = icmp ugt i32 [[UB]], 16908288
 | 
						|
// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
 | 
						|
// CHECK: [[UBRESULT:%.+]] = phi i32 [ 16908288, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
 | 
						|
// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]]
 | 
						|
// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
 | 
						|
 | 
						|
// Outer loop header
 | 
						|
// CHECK: [[O_IV:%.+]] = load i32, i32* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: [[O_UB:%.+]] = load i32, i32* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[O_CMP:%.+]] = icmp ule i32 [[O_IV]], [[O_UB]]
 | 
						|
// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
 | 
						|
 | 
						|
// Loop header
 | 
						|
// CHECK: [[O_LOOP1_BODY]]
 | 
						|
// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[CMP:%.+]] = icmp ule i32 [[IV]], [[UB]]
 | 
						|
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
 | 
						|
  for (unsigned i = 131071; i <= 2147483647; i += 127) {
 | 
						|
// CHECK: [[LOOP1_BODY]]
 | 
						|
// Start of body: calculate i from IV:
 | 
						|
// CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i32 [[IV1_1]], 127
 | 
						|
// CHECK-NEXT: [[CALC_I_2:%.+]] = add i32 131071, [[CALC_I_1]]
 | 
						|
// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
 | 
						|
// ... loop body ...
 | 
						|
// End of body: store into a[i]:
 | 
						|
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
 | 
						|
// CHECK-NOT: !llvm.access.group
 | 
						|
    a[i] = b[i] * c[i] * d[i];
 | 
						|
// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
 | 
						|
// CHECK-NEXT: [[ADD1_2:%.+]] = add i32 [[IV1_2]], 1
 | 
						|
// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: br label %{{.+}}
 | 
						|
  }
 | 
						|
// CHECK: [[LOOP1_END]]
 | 
						|
// Update the counters, adding stride
 | 
						|
// CHECK:  [[LB:%.+]] = load i32, i32* [[OMP_LB]]
 | 
						|
// CHECK-NEXT: [[ST:%.+]] = load i32, i32* [[OMP_ST]]
 | 
						|
// CHECK-NEXT: [[ADD_LB:%.+]] = add i32 [[LB]], [[ST]]
 | 
						|
// CHECK-NEXT: store i32 [[ADD_LB]], i32* [[OMP_LB]]
 | 
						|
// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[ST:%.+]] = load i32, i32* [[OMP_ST]]
 | 
						|
// CHECK-NEXT: [[ADD_UB:%.+]] = add i32 [[UB]], [[ST]]
 | 
						|
// CHECK-NEXT: store i32 [[ADD_UB]], i32* [[OMP_UB]]
 | 
						|
 | 
						|
// CHECK: [[O_LOOP1_END]]
 | 
						|
// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]])
 | 
						|
// CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
 | 
						|
// CHECK: ret void
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: define {{.*void}} @{{.*}}dynamic1{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
 | 
						|
void dynamic1(float *a, float *b, float *c, float *d) {
 | 
						|
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
 | 
						|
  #pragma omp for schedule(nonmonotonic: dynamic)
 | 
						|
// CHECK: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741859, i64 0, i64 16908287, i64 1, i64 1)
 | 
						|
//
 | 
						|
// CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]])
 | 
						|
// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
 | 
						|
// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
 | 
						|
 | 
						|
// Loop header
 | 
						|
// CHECK: [[O_LOOP1_BODY]]
 | 
						|
// CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]]
 | 
						|
// CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]]
 | 
						|
// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
 | 
						|
 | 
						|
// CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[BOUND:%.+]] = add i64 [[UB]], 1
 | 
						|
// CHECK-NEXT: [[CMP:%.+]] = icmp ult i64 [[IV]], [[BOUND]]
 | 
						|
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
 | 
						|
  for (unsigned long long i = 131071; i < 2147483647; i += 127) {
 | 
						|
// CHECK: [[LOOP1_BODY]]
 | 
						|
// Start of body: calculate i from IV:
 | 
						|
// CHECK: [[IV1_1:%.+]] = load i64, i64* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i64 [[IV1_1]], 127
 | 
						|
// CHECK-NEXT: [[CALC_I_2:%.+]] = add i64 131071, [[CALC_I_1]]
 | 
						|
// CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[LC_I:.+]]
 | 
						|
// ... loop body ...
 | 
						|
// End of body: store into a[i]:
 | 
						|
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}!llvm.access.group
 | 
						|
    a[i] = b[i] * c[i] * d[i];
 | 
						|
// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
 | 
						|
// CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1
 | 
						|
// CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: br label %{{.+}}
 | 
						|
  }
 | 
						|
// CHECK: [[LOOP1_END]]
 | 
						|
// CHECK: [[O_LOOP1_END]]
 | 
						|
// CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
 | 
						|
// CHECK: ret void
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: define {{.*void}} @{{.*}}guided7{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
 | 
						|
void guided7(float *a, float *b, float *c, float *d) {
 | 
						|
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
 | 
						|
  #pragma omp for schedule(guided, 7)
 | 
						|
// OMP45: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 36, i64 0, i64 16908287, i64 1, i64 7)
 | 
						|
// OMP5: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741860, i64 0, i64 16908287, i64 1, i64 7)
 | 
						|
//
 | 
						|
// CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]])
 | 
						|
// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
 | 
						|
// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
 | 
						|
 | 
						|
// Loop header
 | 
						|
// CHECK: [[O_LOOP1_BODY]]
 | 
						|
// CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]]
 | 
						|
// CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]]
 | 
						|
// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
 | 
						|
 | 
						|
// CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[BOUND:%.+]] = add i64 [[UB]], 1
 | 
						|
// CHECK-NEXT: [[CMP:%.+]] = icmp ult i64 [[IV]], [[BOUND]]
 | 
						|
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
 | 
						|
  for (unsigned long long i = 131071; i < 2147483647; i += 127) {
 | 
						|
// CHECK: [[LOOP1_BODY]]
 | 
						|
// Start of body: calculate i from IV:
 | 
						|
// CHECK: [[IV1_1:%.+]] = load i64, i64* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i64 [[IV1_1]], 127
 | 
						|
// CHECK-NEXT: [[CALC_I_2:%.+]] = add i64 131071, [[CALC_I_1]]
 | 
						|
// CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[LC_I:.+]]
 | 
						|
// ... loop body ...
 | 
						|
// End of body: store into a[i]:
 | 
						|
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}!llvm.access.group
 | 
						|
    a[i] = b[i] * c[i] * d[i];
 | 
						|
// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
 | 
						|
// CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1
 | 
						|
// CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: br label %{{.+}}
 | 
						|
  }
 | 
						|
// CHECK: [[LOOP1_END]]
 | 
						|
// CHECK: [[O_LOOP1_END]]
 | 
						|
// CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
 | 
						|
// CHECK: ret void
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: define {{.*void}} @{{.*}}test_auto{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
 | 
						|
void test_auto(float *a, float *b, float *c, float *d) {
 | 
						|
  unsigned int x = 0;
 | 
						|
  unsigned int y = 0;
 | 
						|
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
 | 
						|
  #pragma omp for schedule(auto) collapse(2)
 | 
						|
// OMP45: call void @__kmpc_dispatch_init_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 38, i64 0, i64 [[LAST_ITER:%[^,]+]], i64 1, i64 1)
 | 
						|
// OMP5: call void @__kmpc_dispatch_init_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741862, i64 0, i64 [[LAST_ITER:%[^,]+]], i64 1, i64 1)
 | 
						|
//
 | 
						|
// CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]])
 | 
						|
// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
 | 
						|
// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
 | 
						|
 | 
						|
// Loop header
 | 
						|
// CHECK: [[O_LOOP1_BODY]]
 | 
						|
// CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]]
 | 
						|
// CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]]
 | 
						|
// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
 | 
						|
 | 
						|
// CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[CMP:%.+]] = icmp sle i64 [[IV]], [[UB]]
 | 
						|
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
 | 
						|
// FIXME: When the iteration count of some nested loop is not a known constant,
 | 
						|
// we should pre-calculate it, like we do for the total number of iterations!
 | 
						|
  for (char i = static_cast<char>(y); i <= '9'; ++i)
 | 
						|
    for (x = 11; x > 0; --x) {
 | 
						|
// CHECK: [[LOOP1_BODY]]
 | 
						|
// Start of body: indices are calculated from IV:
 | 
						|
// CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}}
 | 
						|
// CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}}
 | 
						|
// ... loop body ...
 | 
						|
// End of body: store into a[i]:
 | 
						|
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
 | 
						|
// CHECK-NOT: !llvm.access.group
 | 
						|
    a[i] = b[i] * c[i] * d[i];
 | 
						|
// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
 | 
						|
// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i64 [[IV1_2]], 1
 | 
						|
// CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: br label %{{.+}}
 | 
						|
  }
 | 
						|
// CHECK: [[LOOP1_END]]
 | 
						|
// CHECK: [[O_LOOP1_END]]
 | 
						|
// CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
 | 
						|
// CHECK: ret void
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: define {{.*void}} @{{.*}}runtime{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
 | 
						|
void runtime(float *a, float *b, float *c, float *d) {
 | 
						|
  int x = 0;
 | 
						|
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
 | 
						|
  #pragma omp for collapse(2) schedule(runtime)
 | 
						|
// OMP45: call void @__kmpc_dispatch_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 37, i32 0, i32 199, i32 1, i32 1)
 | 
						|
// OMP5: call void @__kmpc_dispatch_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741861, i32 0, i32 199, i32 1, i32 1)
 | 
						|
//
 | 
						|
// CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]])
 | 
						|
// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
 | 
						|
// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
 | 
						|
 | 
						|
// Loop header
 | 
						|
// CHECK: [[O_LOOP1_BODY]]
 | 
						|
// CHECK: [[LB:%.+]] = load i32, i32* [[OMP_LB]]
 | 
						|
// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
 | 
						|
// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
 | 
						|
 | 
						|
// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
 | 
						|
// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
 | 
						|
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
 | 
						|
  for (unsigned char i = '0' ; i <= '9'; ++i)
 | 
						|
    for (x = -10; x < 10; ++x) {
 | 
						|
// CHECK: [[LOOP1_BODY]]
 | 
						|
// Start of body: indices are calculated from IV:
 | 
						|
// CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}}
 | 
						|
// CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}}
 | 
						|
// ... loop body ...
 | 
						|
// End of body: store into a[i]:
 | 
						|
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
 | 
						|
// CHECK-NOT: !llvm.access.group
 | 
						|
    a[i] = b[i] * c[i] * d[i];
 | 
						|
// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
 | 
						|
// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
 | 
						|
// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
 | 
						|
// CHECK-NEXT: br label %{{.+}}
 | 
						|
  }
 | 
						|
// CHECK: [[LOOP1_END]]
 | 
						|
// CHECK: [[O_LOOP1_END]]
 | 
						|
// CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
 | 
						|
// CHECK: ret void
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: test_precond
 | 
						|
void test_precond() {
 | 
						|
  // CHECK: [[A_ADDR:%.+]] = alloca i8,
 | 
						|
  // CHECK: [[I_ADDR:%.+]] = alloca i8,
 | 
						|
  // CHECK: [[CAP:%.+]] = alloca i8,
 | 
						|
  char a = 0;
 | 
						|
  // CHECK: store i8 0,
 | 
						|
  // CHECK: store i32
 | 
						|
  // CHECK: store i8
 | 
						|
  // CHECK: [[A:%.+]] = load i8, i8* [[CAP]],
 | 
						|
  // CHECK: [[CONV:%.+]] = sext i8 [[A]] to i32
 | 
						|
  // CHECK: [[CMP:%.+]] = icmp slt i32 [[CONV]], 10
 | 
						|
  // CHECK: br i1 [[CMP]], label %[[PRECOND_THEN:[^,]+]], label %[[PRECOND_END:[^,]+]]
 | 
						|
  // CHECK: [[PRECOND_THEN]]
 | 
						|
  // CHECK: call void @__kmpc_for_static_init_4
 | 
						|
#pragma omp for
 | 
						|
  for(char i = a; i < 10; ++i);
 | 
						|
  // CHECK: call void @__kmpc_for_static_fini
 | 
						|
  // CHECK: [[PRECOND_END]]
 | 
						|
}
 | 
						|
 | 
						|
// TERM_DEBUG-LABEL: foo
 | 
						|
int foo() {return 0;};
 | 
						|
 | 
						|
// TERM_DEBUG-LABEL: parallel_for
 | 
						|
void parallel_for(float *a) {
 | 
						|
#pragma omp parallel
 | 
						|
#pragma omp for schedule(static, 5)
 | 
						|
  // TERM_DEBUG-NOT: __kmpc_global_thread_num
 | 
						|
  // TERM_DEBUG:     call void @__kmpc_for_static_init_4u({{.+}}), !dbg [[DBG_LOC:![0-9]+]]
 | 
						|
  // TERM_DEBUG:     invoke i32 {{.*}}foo{{.*}}()
 | 
						|
  // TERM_DEBUG:     unwind label %[[TERM_LPAD:.+]],
 | 
						|
  // TERM_DEBUG-NOT: __kmpc_global_thread_num
 | 
						|
  // TERM_DEBUG:     call void @__kmpc_for_static_fini({{.+}}), !dbg [[DBG_LOC]]
 | 
						|
  // TERM_DEBUG:     call {{.+}} @__kmpc_barrier({{.+}}), !dbg [[DBG_LOC]]
 | 
						|
  // TERM_DEBUG:     [[TERM_LPAD]]
 | 
						|
  // TERM_DEBUG:     call void @__clang_call_terminate
 | 
						|
  // TERM_DEBUG:     unreachable
 | 
						|
  for (unsigned i = 131071; i <= 2147483647; i += 127)
 | 
						|
    a[i] += foo();
 | 
						|
}
 | 
						|
// Check source line corresponds to "#pragma omp for schedule(static, 5)" above:
 | 
						|
// TERM_DEBUG: [[DBG_LOC]] = !DILocation(line: [[@LINE-15]],
 | 
						|
 | 
						|
char i = 1, j = 2, k = 3;
 | 
						|
// CHECK-LABEL: for_with_global_lcv
 | 
						|
void for_with_global_lcv() {
 | 
						|
// CHECK: alloca i8,
 | 
						|
// CHECK: [[I_ADDR:%.+]] = alloca i8,
 | 
						|
// CHECK: alloca i8,
 | 
						|
// CHECK: [[J_ADDR:%.+]] = alloca i8,
 | 
						|
 | 
						|
// CHECK: call void @__kmpc_for_static_init_4(
 | 
						|
// CHECK-NOT: [[I]]
 | 
						|
// CHECK: store i8 %{{.+}}, i8* [[I_ADDR]]
 | 
						|
// CHECK-NOT: [[I]]
 | 
						|
// CHECK: [[I_VAL:%.+]] = load i8, i8* [[I_ADDR]],
 | 
						|
// CHECK-NOT: [[I]]
 | 
						|
// CHECK: store i8 [[I_VAL]], i8* [[K]]
 | 
						|
// CHECK-NOT: [[I]]
 | 
						|
// CHECK: call void @__kmpc_for_static_fini(
 | 
						|
// CHECK: call void @__kmpc_barrier(
 | 
						|
#pragma omp for
 | 
						|
  for (i = 0; i < 2; ++i) {
 | 
						|
    k = i;
 | 
						|
  }
 | 
						|
// CHECK: call void @__kmpc_for_static_init_4(
 | 
						|
// CHECK-NOT: [[J]]
 | 
						|
// CHECK: store i8 %{{.+}}, i8* [[J_ADDR]]
 | 
						|
// CHECK-NOT: [[J]]
 | 
						|
// CHECK: [[J_VAL:%.+]] = load i8, i8* [[J_ADDR]],
 | 
						|
// CHECK-NOT: [[J]]
 | 
						|
// CHECK: store i8 [[J_VAL]], i8* [[K]]
 | 
						|
// CHECK-NOT: [[J]]
 | 
						|
// CHECK: call void @__kmpc_for_static_fini(
 | 
						|
#pragma omp for collapse(2)
 | 
						|
  for (int i = 0; i < 2; ++i)
 | 
						|
  for (j = 0; j < 2; ++j) {
 | 
						|
    k = i;
 | 
						|
    k = j;
 | 
						|
  }
 | 
						|
  char &cnt = i;
 | 
						|
#pragma omp for
 | 
						|
  for (cnt = 0; cnt < 2; ++cnt)
 | 
						|
    k = cnt;
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: for_with_references
 | 
						|
void for_with_references() {
 | 
						|
// CHECK: [[I:%.+]] = alloca i8,
 | 
						|
// CHECK: [[CNT:%.+]] = alloca i8*,
 | 
						|
// CHECK: [[CNT_PRIV:%.+]] = alloca i8,
 | 
						|
// CHECK: call void @__kmpc_for_static_init_8(
 | 
						|
// CHECK-NOT: load i8, i8* [[CNT]],
 | 
						|
// CHECK: call void @__kmpc_for_static_fini(
 | 
						|
  char i = 0;
 | 
						|
  char &cnt = i;
 | 
						|
#pragma omp for collapse(2)
 | 
						|
  for (cnt = 0; cnt < 2; ++cnt)
 | 
						|
    for (int j = cnt; j < 4 + cnt; j++)
 | 
						|
    k = cnt;
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: for_with_references_dep_cond
 | 
						|
void for_with_references_dep_cond() {
 | 
						|
// CHECK: [[I:%.+]] = alloca i8,
 | 
						|
// CHECK: [[CNT:%.+]] = alloca i8*,
 | 
						|
// CHECK: [[CNT_PRIV:%.+]] = alloca i8,
 | 
						|
// CHECK: call void @__kmpc_for_static_init_8(
 | 
						|
// CHECK-NOT: load i8, i8* [[CNT]],
 | 
						|
// CHECK: call void @__kmpc_for_static_fini(
 | 
						|
  char i = 0;
 | 
						|
  char &cnt = i;
 | 
						|
#pragma omp for collapse(2)
 | 
						|
  for (cnt = 0; cnt < 2; ++cnt)
 | 
						|
    for (int j = 0; j < 4 + cnt; j++)
 | 
						|
    k = cnt;
 | 
						|
}
 | 
						|
 | 
						|
struct Bool {
 | 
						|
  Bool(bool b) : b(b) {}
 | 
						|
  operator bool() const { return b; }
 | 
						|
  const bool b;
 | 
						|
};
 | 
						|
 | 
						|
template <typename T>
 | 
						|
struct It {
 | 
						|
  It() : p(0) {}
 | 
						|
  It(const It &, int = 0) ;
 | 
						|
  template <typename U>
 | 
						|
  It(U &, int = 0) ;
 | 
						|
  It &operator=(const It &);
 | 
						|
  It &operator=(It &);
 | 
						|
  ~It() {}
 | 
						|
 | 
						|
  It(T *p) : p(p) {}
 | 
						|
 | 
						|
  operator T *&() { return p; }
 | 
						|
  operator T *() const { return p; }
 | 
						|
  T *operator->() const { return p; }
 | 
						|
 | 
						|
  It &operator++() { ++p; return *this; }
 | 
						|
  It &operator--() { --p; return *this; }
 | 
						|
  It &operator+=(unsigned n) { p += n; return *this; }
 | 
						|
  It &operator-=(unsigned n) { p -= n; return *this; }
 | 
						|
 | 
						|
  T *p;
 | 
						|
};
 | 
						|
 | 
						|
template <typename T>
 | 
						|
It<T> operator+(It<T> a, typename It<T>::difference_type n) { return a.p + n; }
 | 
						|
 | 
						|
template <typename T>
 | 
						|
It<T> operator+(typename It<T>::difference_type n, It<T> a) { return a.p + n; }
 | 
						|
 | 
						|
template <typename T>
 | 
						|
It<T> operator-(It<T> a, typename It<T>::difference_type n) { return a.p - n; }
 | 
						|
 | 
						|
typedef Bool BoolType;
 | 
						|
 | 
						|
template <typename T>
 | 
						|
BoolType operator<(It<T> a, It<T> b) { return a.p < b.p; }
 | 
						|
 | 
						|
void loop_with_It(It<char> begin, It<char> end) {
 | 
						|
#pragma omp for
 | 
						|
  for (It<char> it = begin; it < end; ++it) {
 | 
						|
    *it = 0;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: loop_with_It
 | 
						|
// CHECK: call i32 @__kmpc_global_thread_num(
 | 
						|
// CHECK: call void @__kmpc_for_static_init_8(
 | 
						|
// CHECK: call void @__kmpc_for_static_fini(
 | 
						|
 | 
						|
void loop_with_It_plus(It<char> begin, It<char> end) {
 | 
						|
#pragma omp for
 | 
						|
  for (It<char> it = begin; it < end; it+=1u) {
 | 
						|
    *it = 0;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
// CHECK-LABEL: loop_with_It_plus
 | 
						|
// CHECK: call i32 @__kmpc_global_thread_num(
 | 
						|
// CHECK: call void @__kmpc_for_static_init_8(
 | 
						|
// CHECK: call void @__kmpc_for_static_fini(
 | 
						|
 | 
						|
void loop_with_stmt_expr() {
 | 
						|
#pragma omp for collapse(2)
 | 
						|
  for (int i = __extension__({float b = 0;b; }); i < __extension__({double c = 1;c; }); i += __extension__({char d = 1; d; }))
 | 
						|
    for (int j = i; j < 4 + i; j++)
 | 
						|
    ;
 | 
						|
}
 | 
						|
// CHECK-LABEL: loop_with_stmt_expr
 | 
						|
// CHECK: call i32 @__kmpc_global_thread_num(
 | 
						|
// CHECK: call void @__kmpc_for_static_init_8(
 | 
						|
// CHECK: call void @__kmpc_for_static_fini(
 | 
						|
 | 
						|
 | 
						|
// CHECK-LABEL: fint
 | 
						|
// CHECK: call {{.*}}i32 {{.*}}ftemplate
 | 
						|
// CHECK: ret i32
 | 
						|
 | 
						|
// CHECK: load i16, i16*
 | 
						|
// CHECK: store i16 %
 | 
						|
// CHECK: call void {{.+}}@__kmpc_fork_call(
 | 
						|
// CHECK: call void @__kmpc_for_static_init_4(
 | 
						|
template <typename T>
 | 
						|
T ftemplate() {
 | 
						|
  short aa = 0;
 | 
						|
 | 
						|
#pragma omp parallel for schedule(static, aa)
 | 
						|
  for (int i = 0; i < 100; i++) {
 | 
						|
  }
 | 
						|
  return T();
 | 
						|
}
 | 
						|
 | 
						|
int fint(void) { return ftemplate<int>(); }
 | 
						|
 | 
						|
// Check for imperfectly loop nests codegen.
 | 
						|
#if _OPENMP == 201811
 | 
						|
void first();
 | 
						|
void last();
 | 
						|
void inner_f();
 | 
						|
void inner_l();
 | 
						|
void body_f();
 | 
						|
 | 
						|
// OMP5-LABEL: imperfectly_nested_loop
 | 
						|
void imperfectly_nested_loop() {
 | 
						|
  // OMP5: call void @__kmpc_for_static_init_4(
 | 
						|
#pragma omp for collapse(3) order(concurrent)
 | 
						|
  for (int i = 0; i < 10; ++i) {
 | 
						|
    {
 | 
						|
      int a, d;
 | 
						|
      // OMP5: invoke void @{{.+}}first{{.+}}()
 | 
						|
      first();
 | 
						|
      // OMP5: load i32{{.*}}!llvm.access.group ![[AG:[0-9]+]]
 | 
						|
      // OMP5: store i32{{.*}}!llvm.access.group ![[AG]]
 | 
						|
      a = d;
 | 
						|
      for (int j = 0; j < 10; ++j) {
 | 
						|
        int a, d;
 | 
						|
        // OMP5: invoke void @{{.+}}inner_f{{.+}}()
 | 
						|
        inner_f();
 | 
						|
        // OMP5: load i32{{.*}}!llvm.access.group ![[AG]]
 | 
						|
        // OMP5: store i32{{.*}}!llvm.access.group ![[AG]]
 | 
						|
        a = d;
 | 
						|
        for (int k = 0; k < 10; ++k) {
 | 
						|
          int a, d;
 | 
						|
          // OMP5: invoke void @{{.+}}body_f{{.+}}()
 | 
						|
          body_f();
 | 
						|
          // OMP5: load i32{{.*}}!llvm.access.group ![[AG]]
 | 
						|
          // OMP5: store i32{{.*}}!llvm.access.group ![[AG]]
 | 
						|
          a = d;
 | 
						|
        }
 | 
						|
        // OMP5: invoke void @{{.+}}inner_l{{.+}}()
 | 
						|
        inner_l();
 | 
						|
      }
 | 
						|
      // OMP5: invoke void @{{.+}}last{{.+}}()
 | 
						|
      last();
 | 
						|
    }
 | 
						|
  }
 | 
						|
  // OMP5: call void @__kmpc_for_static_fini(
 | 
						|
}
 | 
						|
 | 
						|
// OMP5: ![[AG]] = distinct !{}
 | 
						|
// OMP5: !{!"llvm.loop.parallel_accesses", ![[AG]]}
 | 
						|
 | 
						|
#endif
 | 
						|
 | 
						|
#endif // HEADER
 |