246 lines
12 KiB
LLVM
246 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals --include-generated-funcs
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; RUN: opt -S -passes='openmp-opt' < %s | FileCheck %s
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; RUN: opt -passes=openmp-opt -pass-remarks=openmp-opt -disable-output < %s 2>&1 | FileCheck %s -check-prefix=CHECK-REMARKS
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; RUN: opt -passes=openmp-opt -pass-remarks=openmp-opt -pass-remarks-missed=openmp-opt -disable-output -openmp-opt-shared-limit=4 < %s 2>&1 | FileCheck %s -check-prefix=CHECK-LIMIT
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target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64"
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target triple = "nvptx64"
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; UTC_ARGS: --disable
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; CHECK-REMARKS: remark: replace_globalization.c:5:7: Replaced globalized variable with 16 bytes of shared memory
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; CHECK-REMARKS: remark: replace_globalization.c:5:14: Replaced globalized variable with 4 bytes of shared memory
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; CHECK-REMARKS-NOT: 6 bytes
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; CHECK-LIMIT: remark: replace_globalization.c:5:14: Replaced globalized variable with 4 bytes of shared memory
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; CHECK-LIMIT: remark: replace_globalization.c:5:7: Found thread data sharing on the GPU. Expect degraded performance due to data globalization
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; UTC_ARGS: --enable
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%struct.ident_t = type { i32, i32, i32, i32, i8* }
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@S = external local_unnamed_addr global i8*
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@0 = private unnamed_addr constant [113 x i8] c";llvm/test/Transforms/OpenMP/custom_state_machines_remarks.c;__omp_offloading_2a_d80d3d_test_fallback_l11;11;1;;\00", align 1
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@1 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([113 x i8], [113 x i8]* @0, i32 0, i32 0) }, align 8
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@foo_exec_mode = weak constant i8 1
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@bar_exec_mode = weak constant i8 1
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@baz_spmd_exec_mode = weak constant i8 2
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define dso_local void @foo() "kernel" {
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entry:
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%c = call i32 @__kmpc_target_init(%struct.ident_t* @1, i8 1, i1 true, i1 true)
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%x = call align 4 i8* @__kmpc_alloc_shared(i64 4)
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call void @unknown_no_openmp()
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%x_on_stack = bitcast i8* %x to i32*
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%0 = bitcast i32* %x_on_stack to i8*
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call void @use(i8* %0)
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call void @__kmpc_free_shared(i8* %x, i64 4)
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call void @__kmpc_target_deinit(%struct.ident_t* @1, i8 1, i1 true)
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ret void
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}
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define void @bar() "kernel" {
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%c = call i32 @__kmpc_target_init(%struct.ident_t* @1, i8 1, i1 true, i1 true)
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call void @unknown_no_openmp()
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%cmp = icmp eq i32 %c, -1
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br i1 %cmp, label %master1, label %exit
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master1:
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%x = call align 4 i8* @__kmpc_alloc_shared(i64 16), !dbg !11
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%x_on_stack = bitcast i8* %x to [4 x i32]*
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%a0 = bitcast [4 x i32]* %x_on_stack to i8*
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call void @use(i8* %a0)
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call void @__kmpc_free_shared(i8* %x, i64 16)
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br label %next
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next:
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call void @unknown_no_openmp()
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%b0 = icmp eq i32 %c, -1
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br i1 %b0, label %master2, label %exit
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master2:
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%y = call align 4 i8* @__kmpc_alloc_shared(i64 4), !dbg !12
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%y_on_stack = bitcast i8* %y to [4 x i32]*
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%b1 = bitcast [4 x i32]* %y_on_stack to i8*
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call void @use(i8* %b1)
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call void @__kmpc_free_shared(i8* %y, i64 4)
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br label %exit
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exit:
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call void @__kmpc_target_deinit(%struct.ident_t* @1, i8 1, i1 true)
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ret void
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}
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define void @baz_spmd() "kernel" {
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%c = call i32 @__kmpc_target_init(%struct.ident_t* @1, i8 2, i1 true, i1 true)
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call void @unknown_no_openmp()
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%c0 = icmp eq i32 %c, -1
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br i1 %c0, label %master3, label %exit
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master3:
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%z = call align 4 i8* @__kmpc_alloc_shared(i64 24), !dbg !12
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%z_on_stack = bitcast i8* %z to [6 x i32]*
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%c1 = bitcast [6 x i32]* %z_on_stack to i8*
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call void @use(i8* %c1)
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call void @__kmpc_free_shared(i8* %z, i64 24)
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br label %exit
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exit:
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call void @__kmpc_target_deinit(%struct.ident_t* @1, i8 2, i1 true)
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ret void
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}
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define void @use(i8* %x) {
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entry:
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store i8* %x, i8** @S
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ret void
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}
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@offset =global i32 undef
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@stack = internal addrspace(3) global [1024 x i8] undef
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define private i8* @__kmpc_alloc_shared(i64) {
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%bc = bitcast [1024 x i8] addrspace(3) * @stack to i8 addrspace(3) *
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%ac = addrspacecast i8 addrspace(3) * %bc to i8*
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%l = load i32, i32* @offset
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%gep = getelementptr i8, i8* %ac, i32 %l
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ret i8* %gep
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}
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declare void @__kmpc_free_shared(i8*, i64)
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declare i32 @llvm.nvvm.read.ptx.sreg.tid.x()
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declare i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
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declare i32 @llvm.nvvm.read.ptx.sreg.warpsize()
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declare i32 @__kmpc_target_init(%struct.ident_t*, i8, i1, i1)
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declare void @__kmpc_target_deinit(%struct.ident_t*, i8, i1)
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declare void @unknown_no_openmp() "llvm.assume"="omp_no_openmp"
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !6}
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!nvvm.annotations = !{!7, !8, !13}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "replace_globalization.c", directory: "/tmp/replace_globalization.c")
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!2 = !{}
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!3 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = !{i32 1, !"wchar_size", i32 4}
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!5 = !{i32 7, !"openmp", i32 50}
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!6 = !{i32 7, !"openmp-device", i32 50}
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!7 = !{void ()* @foo, !"kernel", i32 1}
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!8 = !{void ()* @bar, !"kernel", i32 1}
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!13 = !{void ()* @baz_spmd, !"kernel", i32 1}
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!9 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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!10 = !DISubroutineType(types: !2)
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!11 = !DILocation(line: 5, column: 7, scope: !9)
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!12 = !DILocation(line: 5, column: 14, scope: !9)
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;.
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; CHECK: @[[S:[a-zA-Z0-9_$"\\.-]+]] = external local_unnamed_addr global i8*
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; CHECK: @[[GLOB0:[0-9]+]] = private unnamed_addr constant [113 x i8] c"
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; CHECK: @[[GLOB1:[0-9]+]] = private unnamed_addr constant [[STRUCT_IDENT_T:%.*]] { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([113 x i8], [113 x i8]* @[[GLOB0]], i32 0, i32 0) }, align 8
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; CHECK: @[[FOO_EXEC_MODE:[a-zA-Z0-9_$"\\.-]+]] = weak constant i8 1
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; CHECK: @[[BAR_EXEC_MODE:[a-zA-Z0-9_$"\\.-]+]] = weak constant i8 1
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; CHECK: @[[BAZ_SPMD_EXEC_MODE:[a-zA-Z0-9_$"\\.-]+]] = weak constant i8 2
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; CHECK: @[[OFFSET:[a-zA-Z0-9_$"\\.-]+]] = global i32 undef
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; CHECK: @[[STACK:[a-zA-Z0-9_$"\\.-]+]] = internal addrspace(3) global [1024 x i8] undef
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; CHECK: @[[X_SHARED:[a-zA-Z0-9_$"\\.-]+]] = internal addrspace(3) global [16 x i8] undef, align 4
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; CHECK: @[[Y_SHARED:[a-zA-Z0-9_$"\\.-]+]] = internal addrspace(3) global [4 x i8] undef, align 4
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;.
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; CHECK-LABEL: define {{[^@]+}}@foo
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; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* @[[GLOB1]], i8 1, i1 false, i1 true)
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; CHECK-NEXT: [[X:%.*]] = call align 4 i8* @__kmpc_alloc_shared(i64 4) #[[ATTR6:[0-9]+]]
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; CHECK-NEXT: call void @unknown_no_openmp()
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; CHECK-NEXT: [[X_ON_STACK:%.*]] = bitcast i8* [[X]] to i32*
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; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[X_ON_STACK]] to i8*
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; CHECK-NEXT: call void @use.internalized(i8* nofree [[TMP0]]) #[[ATTR7:[0-9]+]]
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; CHECK-NEXT: call void @__kmpc_free_shared(i8* [[X]], i64 4) #[[ATTR8:[0-9]+]]
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; CHECK-NEXT: call void @__kmpc_target_deinit(%struct.ident_t* @[[GLOB1]], i8 1, i1 true)
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; CHECK-NEXT: ret void
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;
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;
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; CHECK-LABEL: define {{[^@]+}}@bar
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; CHECK-SAME: () #[[ATTR0]] {
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; CHECK-NEXT: [[C:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* @[[GLOB1]], i8 1, i1 false, i1 true)
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; CHECK-NEXT: call void @unknown_no_openmp()
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[C]], -1
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; CHECK-NEXT: br i1 [[CMP]], label [[MASTER1:%.*]], label [[EXIT:%.*]]
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; CHECK: master1:
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; CHECK-NEXT: [[X_ON_STACK:%.*]] = bitcast i8* addrspacecast (i8 addrspace(3)* getelementptr inbounds ([16 x i8], [16 x i8] addrspace(3)* @x_shared, i32 0, i32 0) to i8*) to [4 x i32]*
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; CHECK-NEXT: [[A0:%.*]] = bitcast [4 x i32]* [[X_ON_STACK]] to i8*
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; CHECK-NEXT: call void @use.internalized(i8* nofree [[A0]]) #[[ATTR7]]
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; CHECK-NEXT: br label [[NEXT:%.*]]
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; CHECK: next:
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; CHECK-NEXT: call void @unknown_no_openmp()
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; CHECK-NEXT: br label [[MASTER2:%.*]]
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; CHECK: master2:
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; CHECK-NEXT: [[Y_ON_STACK:%.*]] = bitcast i8* addrspacecast (i8 addrspace(3)* getelementptr inbounds ([4 x i8], [4 x i8] addrspace(3)* @y_shared, i32 0, i32 0) to i8*) to [4 x i32]*
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; CHECK-NEXT: [[B1:%.*]] = bitcast [4 x i32]* [[Y_ON_STACK]] to i8*
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; CHECK-NEXT: call void @use.internalized(i8* nofree [[B1]]) #[[ATTR7]]
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: call void @__kmpc_target_deinit(%struct.ident_t* @[[GLOB1]], i8 1, i1 true)
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; CHECK-NEXT: ret void
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;
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;
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; CHECK-LABEL: define {{[^@]+}}@baz_spmd
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; CHECK-SAME: () #[[ATTR0]] {
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; CHECK-NEXT: [[C:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* @[[GLOB1]], i8 2, i1 true, i1 true)
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; CHECK-NEXT: call void @unknown_no_openmp()
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; CHECK-NEXT: [[C0:%.*]] = icmp eq i32 [[C]], -1
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; CHECK-NEXT: br i1 [[C0]], label [[MASTER3:%.*]], label [[EXIT:%.*]]
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; CHECK: master3:
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; CHECK-NEXT: [[Z:%.*]] = call align 4 i8* @__kmpc_alloc_shared(i64 24) #[[ATTR6]], !dbg [[DBG10:![0-9]+]]
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; CHECK-NEXT: [[Z_ON_STACK:%.*]] = bitcast i8* [[Z]] to [6 x i32]*
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; CHECK-NEXT: [[C1:%.*]] = bitcast [6 x i32]* [[Z_ON_STACK]] to i8*
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; CHECK-NEXT: call void @use.internalized(i8* nofree [[C1]]) #[[ATTR7]]
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; CHECK-NEXT: call void @__kmpc_free_shared(i8* [[Z]], i64 24) #[[ATTR8]]
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: call void @__kmpc_target_deinit(%struct.ident_t* @[[GLOB1]], i8 2, i1 true)
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; CHECK-NEXT: ret void
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;
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;
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; CHECK: Function Attrs: nofree nounwind writeonly
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; CHECK-LABEL: define {{[^@]+}}@use.internalized
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; CHECK-SAME: (i8* nofree [[X:%.*]]) #[[ATTR1:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: store i8* [[X]], i8** @S, align 8
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; CHECK-NEXT: ret void
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;
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;
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; CHECK-LABEL: define {{[^@]+}}@use
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; CHECK-SAME: (i8* [[X:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: store i8* [[X]], i8** @S, align 8
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; CHECK-NEXT: ret void
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;
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;
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; CHECK-LABEL: define {{[^@]+}}@__kmpc_alloc_shared
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; CHECK-SAME: (i64 [[TMP0:%.*]]) #[[ATTR2:[0-9]+]] {
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; CHECK-NEXT: [[L:%.*]] = load i32, i32* @offset, align 4
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; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, i8* addrspacecast (i8 addrspace(3)* getelementptr inbounds ([1024 x i8], [1024 x i8] addrspace(3)* @stack, i32 0, i32 0) to i8*), i32 [[L]]
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; CHECK-NEXT: ret i8* [[GEP]]
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;
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;.
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; CHECK: attributes #[[ATTR0]] = { "kernel" }
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; CHECK: attributes #[[ATTR1]] = { nofree nounwind writeonly }
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; CHECK: attributes #[[ATTR2]] = { nosync nounwind readonly allocsize(0) }
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; CHECK: attributes #[[ATTR3:[0-9]+]] = { nosync nounwind }
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; CHECK: attributes #[[ATTR4:[0-9]+]] = { nocallback nofree nosync nounwind readnone speculatable willreturn }
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; CHECK: attributes #[[ATTR5:[0-9]+]] = { "llvm.assume"="omp_no_openmp" }
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; CHECK: attributes #[[ATTR6]] = { nounwind readonly }
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; CHECK: attributes #[[ATTR7]] = { nounwind writeonly }
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; CHECK: attributes #[[ATTR8]] = { nounwind }
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;.
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; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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; CHECK: [[META1:![0-9]+]] = !DIFile(filename: "replace_globalization.c", directory: "/tmp/replace_globalization.c")
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; CHECK: [[META2:![0-9]+]] = !{}
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; CHECK: [[META3:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
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; CHECK: [[META4:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
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; CHECK: [[META5:![0-9]+]] = !{i32 7, !"openmp", i32 50}
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; CHECK: [[META6:![0-9]+]] = !{i32 7, !"openmp-device", i32 50}
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; CHECK: [[META7:![0-9]+]] = !{void ()* @foo, !"kernel", i32 1}
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; CHECK: [[META8:![0-9]+]] = !{void ()* @bar, !"kernel", i32 1}
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; CHECK: [[META9:![0-9]+]] = !{void ()* @baz_spmd, !"kernel", i32 1}
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; CHECK: [[DBG10]] = !DILocation(line: 5, column: 14, scope: !11)
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; CHECK: [[META11:![0-9]+]] = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 1, type: !12, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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; CHECK: [[META12:![0-9]+]] = !DISubroutineType(types: !2)
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;.
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