535 lines
21 KiB
Common Lisp
535 lines
21 KiB
Common Lisp
// RUN: %clang_cc1 %s -cl-std=CL2.0 -include opencl-c.h -triple amdgcn -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 %s -O0 -cl-std=CL2.0 -include opencl-c.h -triple amdgcn -emit-llvm -o - | FileCheck --check-prefix=NOOPT %s
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typedef struct {
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private char *p1;
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local char *p2;
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constant char *p3;
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global char *p4;
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generic char *p5;
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} StructTy1;
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typedef struct {
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constant char *p3;
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global char *p4;
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generic char *p5;
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} StructTy2;
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// LLVM requests global variable with common linkage to be initialized with zeroinitializer, therefore use -fno-common
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// to suppress common linkage for tentative definition.
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// Test 0 as initializer.
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// CHECK: @private_p = local_unnamed_addr addrspace(1) global i8* addrspacecast (i8 addrspace(4)* null to i8*), align 4
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private char *private_p = 0;
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// CHECK: @local_p = local_unnamed_addr addrspace(1) global i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), align 4
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local char *local_p = 0;
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// CHECK: @global_p = local_unnamed_addr addrspace(1) global i8 addrspace(1)* null, align 4
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global char *global_p = 0;
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// CHECK: @constant_p = local_unnamed_addr addrspace(1) global i8 addrspace(2)* null, align 4
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constant char *constant_p = 0;
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// CHECK: @generic_p = local_unnamed_addr addrspace(1) global i8 addrspace(4)* null, align 4
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generic char *generic_p = 0;
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// Test NULL as initializer.
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// CHECK: @private_p_NULL = local_unnamed_addr addrspace(1) global i8* addrspacecast (i8 addrspace(4)* null to i8*), align 4
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private char *private_p_NULL = NULL;
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// CHECK: @local_p_NULL = local_unnamed_addr addrspace(1) global i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), align 4
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local char *local_p_NULL = NULL;
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// CHECK: @global_p_NULL = local_unnamed_addr addrspace(1) global i8 addrspace(1)* null, align 4
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global char *global_p_NULL = NULL;
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// CHECK: @constant_p_NULL = local_unnamed_addr addrspace(1) global i8 addrspace(2)* null, align 4
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constant char *constant_p_NULL = NULL;
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// CHECK: @generic_p_NULL = local_unnamed_addr addrspace(1) global i8 addrspace(4)* null, align 4
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generic char *generic_p_NULL = NULL;
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// Test constant folding of null pointer.
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// A null pointer should be folded to a null pointer in the target address space.
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// CHECK: @fold_generic = local_unnamed_addr addrspace(1) global i32 addrspace(4)* null, align 4
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generic int *fold_generic = (global int*)(generic float*)(private char*)0;
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// CHECK: @fold_priv = local_unnamed_addr addrspace(1) global i16* addrspacecast (i16 addrspace(4)* null to i16*), align 4
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private short *fold_priv = (private short*)(generic int*)(global void*)0;
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// CHECK: @fold_priv_arith = local_unnamed_addr addrspace(1) global i8* inttoptr (i32 9 to i8*), align 4
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private char *fold_priv_arith = (private char*)0 + 10;
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// CHECK: @fold_int = local_unnamed_addr addrspace(1) global i32 13, align 4
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int fold_int = (int)(private void*)(generic char*)(global int*)0 + 14;
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// CHECK: @fold_int2 = local_unnamed_addr addrspace(1) global i32 12, align 4
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int fold_int2 = (int) ((private void*)0 + 13);
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// CHECK: @fold_int3 = local_unnamed_addr addrspace(1) global i32 -1, align 4
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int fold_int3 = (int) ((private int*)0);
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// CHECK: @fold_int4 = local_unnamed_addr addrspace(1) global i32 7, align 4
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int fold_int4 = (int) &((private int*)0)[2];
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// CHECK: @fold_int5 = local_unnamed_addr addrspace(1) global i32 3, align 4
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int fold_int5 = (int) &((private StructTy1*)0)->p2;
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// Test static variable initialization.
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// NOOPT: @test_static_var.sp1 = internal addrspace(1) global i8* addrspacecast (i8 addrspace(4)* null to i8*), align 4
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// NOOPT: @test_static_var.sp2 = internal addrspace(1) global i8* addrspacecast (i8 addrspace(4)* null to i8*), align 4
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// NOOPT: @test_static_var.sp3 = internal addrspace(1) global i8* addrspacecast (i8 addrspace(4)* null to i8*), align 4
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// NOOPT: @test_static_var.sp4 = internal addrspace(1) global i8* null, align 4
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// NOOPT: @test_static_var.sp5 = internal addrspace(1) global i8* null, align 4
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// NOOPT: @test_static_var.SS1 = internal addrspace(1) global %struct.StructTy1 { i8* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(2)* null, i8 addrspace(1)* null, i8 addrspace(4)* null }, align 4
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// NOOPT: @test_static_var.SS2 = internal addrspace(1) global %struct.StructTy2 zeroinitializer, align 4
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void test_static_var(void) {
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static private char *sp1 = 0;
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static private char *sp2 = NULL;
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static private char *sp3;
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static private char *sp4 = (private char*)((void)0, 0);
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const int x = 0;
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static private char *sp5 = (private char*)x;
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static StructTy1 SS1;
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static StructTy2 SS2;
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}
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// Test function-scope variable initialization.
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// NOOPT-LABEL: test_func_scope_var
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// NOOPT: store i8* addrspacecast (i8 addrspace(4)* null to i8*), i8** %sp1, align 4
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// NOOPT: store i8* addrspacecast (i8 addrspace(4)* null to i8*), i8** %sp2, align 4
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// NOOPT: store i8* null, i8** %sp3, align 4
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// NOOPT: store i8* null, i8** %sp4, align 4
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// NOOPT: %[[SS1:.*]] = bitcast %struct.StructTy1* %SS1 to i8*
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// NOOPT: call void @llvm.memcpy.p0i8.p2i8.i64(i8* %[[SS1]], i8 addrspace(2)* bitcast (%struct.StructTy1 addrspace(2)* @test_func_scope_var.SS1 to i8 addrspace(2)*), i64 32, i32 4, i1 false)
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// NOOPT: %[[SS2:.*]] = bitcast %struct.StructTy2* %SS2 to i8*
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// NOOPT: call void @llvm.memset.p0i8.i64(i8* %[[SS2]], i8 0, i64 24, i32 4, i1 false)
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void test_func_scope_var(void) {
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private char *sp1 = 0;
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private char *sp2 = NULL;
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private char *sp3 = (private char*)((void)0, 0);
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const int x = 0;
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private char *sp4 = (private char*)x;
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StructTy1 SS1 = {0, 0, 0, 0, 0};
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StructTy2 SS2 = {0, 0, 0};
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}
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// Test default initialization of pointers.
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// Tentative definition of global variables with non-zero initializer
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// cannot have common linkage since common linkage requires zero initialization
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// and does not have explicit section.
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// CHECK: @p1 = weak local_unnamed_addr addrspace(1) global i8* addrspacecast (i8 addrspace(4)* null to i8*), align 4
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private char *p1;
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// CHECK: @p2 = weak local_unnamed_addr addrspace(1) global i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), align 4
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local char *p2;
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// CHECK: @p3 = common local_unnamed_addr addrspace(1) global i8 addrspace(2)* null, align 4
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constant char *p3;
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// CHECK: @p4 = common local_unnamed_addr addrspace(1) global i8 addrspace(1)* null, align 4
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global char *p4;
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// CHECK: @p5 = common local_unnamed_addr addrspace(1) global i8 addrspace(4)* null, align 4
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generic char *p5;
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// Test default initialization of sturcture.
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// CHECK: @S1 = weak local_unnamed_addr addrspace(1) global %struct.StructTy1 { i8* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(2)* null, i8 addrspace(1)* null, i8 addrspace(4)* null }, align 4
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StructTy1 S1;
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// CHECK: @S2 = common local_unnamed_addr addrspace(1) global %struct.StructTy2 zeroinitializer, align 4
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StructTy2 S2;
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// Test default initialization of array.
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// CHECK: @A1 = weak local_unnamed_addr addrspace(1) global [2 x %struct.StructTy1] [%struct.StructTy1 { i8* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(2)* null, i8 addrspace(1)* null, i8 addrspace(4)* null }, %struct.StructTy1 { i8* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(2)* null, i8 addrspace(1)* null, i8 addrspace(4)* null }], align 4
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StructTy1 A1[2];
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// CHECK: @A2 = common local_unnamed_addr addrspace(1) global [2 x %struct.StructTy2] zeroinitializer, align 4
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StructTy2 A2[2];
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// Test comparison with 0.
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// CHECK-LABEL: cmp_private
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// CHECK: icmp eq i8* %p, addrspacecast (i8 addrspace(4)* null to i8*)
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void cmp_private(private char* p) {
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if (p != 0)
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*p = 0;
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}
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// CHECK-LABEL: cmp_local
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// CHECK: icmp eq i8 addrspace(3)* %p, addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*)
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void cmp_local(local char* p) {
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if (p != 0)
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*p = 0;
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}
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// CHECK-LABEL: cmp_global
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// CHECK: icmp eq i8 addrspace(1)* %p, null
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void cmp_global(global char* p) {
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if (p != 0)
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*p = 0;
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}
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// CHECK-LABEL: cmp_constant
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// CHECK: icmp eq i8 addrspace(2)* %p, null
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char cmp_constant(constant char* p) {
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if (p != 0)
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return *p;
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else
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return 0;
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}
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// CHECK-LABEL: cmp_generic
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// CHECK: icmp eq i8 addrspace(4)* %p, null
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void cmp_generic(generic char* p) {
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if (p != 0)
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*p = 0;
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}
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// Test comparison with NULL.
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// CHECK-LABEL: cmp_NULL_private
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// CHECK: icmp eq i8* %p, addrspacecast (i8 addrspace(4)* null to i8*)
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void cmp_NULL_private(private char* p) {
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if (p != NULL)
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*p = 0;
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}
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// CHECK-LABEL: cmp_NULL_local
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// CHECK: icmp eq i8 addrspace(3)* %p, addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*)
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void cmp_NULL_local(local char* p) {
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if (p != NULL)
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*p = 0;
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}
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// CHECK-LABEL: cmp_NULL_global
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// CHECK: icmp eq i8 addrspace(1)* %p, null
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void cmp_NULL_global(global char* p) {
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if (p != NULL)
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*p = 0;
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}
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// CHECK-LABEL: cmp_NULL_constant
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// CHECK: icmp eq i8 addrspace(2)* %p, null
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char cmp_NULL_constant(constant char* p) {
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if (p != NULL)
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return *p;
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else
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return 0;
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}
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// CHECK-LABEL: cmp_NULL_generic
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// CHECK: icmp eq i8 addrspace(4)* %p, null
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void cmp_NULL_generic(generic char* p) {
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if (p != NULL)
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*p = 0;
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}
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// Test storage 0 as null pointer.
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// CHECK-LABEL: test_storage_null_pointer
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// CHECK: store i8* addrspacecast (i8 addrspace(4)* null to i8*), i8* addrspace(4)* %arg_private
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// CHECK: store i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(3)* addrspace(4)* %arg_local
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// CHECK: store i8 addrspace(1)* null, i8 addrspace(1)* addrspace(4)* %arg_global
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// CHECK: store i8 addrspace(2)* null, i8 addrspace(2)* addrspace(4)* %arg_constant
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// CHECK: store i8 addrspace(4)* null, i8 addrspace(4)* addrspace(4)* %arg_generic
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void test_storage_null_pointer(private char** arg_private,
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local char** arg_local,
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global char** arg_global,
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constant char** arg_constant,
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generic char** arg_generic) {
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*arg_private = 0;
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*arg_local = 0;
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*arg_global = 0;
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*arg_constant = 0;
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*arg_generic = 0;
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}
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// Test storage NULL as null pointer.
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// CHECK-LABEL: test_storage_null_pointer_NULL
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// CHECK: store i8* addrspacecast (i8 addrspace(4)* null to i8*), i8* addrspace(4)* %arg_private
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// CHECK: store i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(3)* addrspace(4)* %arg_local
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// CHECK: store i8 addrspace(1)* null, i8 addrspace(1)* addrspace(4)* %arg_global
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// CHECK: store i8 addrspace(2)* null, i8 addrspace(2)* addrspace(4)* %arg_constant
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// CHECK: store i8 addrspace(4)* null, i8 addrspace(4)* addrspace(4)* %arg_generic
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void test_storage_null_pointer_NULL(private char** arg_private,
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local char** arg_local,
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global char** arg_global,
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constant char** arg_constant,
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generic char** arg_generic) {
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*arg_private = NULL;
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*arg_local = NULL;
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*arg_global = NULL;
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*arg_constant = NULL;
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*arg_generic = NULL;
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}
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// Test pass null pointer to function as argument.
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void test_pass_null_pointer_arg_calee(private char* arg_private,
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local char* arg_local,
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global char* arg_global,
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constant char* arg_constant,
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generic char* arg_generic);
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// CHECK-LABEL: test_pass_null_pointer_arg
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// CHECK: call void @test_pass_null_pointer_arg_calee(i8* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(1)* null, i8 addrspace(2)* null, i8 addrspace(4)* null)
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// CHECK: call void @test_pass_null_pointer_arg_calee(i8* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(1)* null, i8 addrspace(2)* null, i8 addrspace(4)* null)
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void test_pass_null_pointer_arg(void) {
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test_pass_null_pointer_arg_calee(0, 0, 0, 0, 0);
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test_pass_null_pointer_arg_calee(NULL, NULL, NULL, NULL, NULL);
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}
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// Test cast null pointer to size_t.
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void test_cast_null_pointer_to_sizet_calee(size_t arg_private,
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size_t arg_local,
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size_t arg_global,
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size_t arg_constant,
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size_t arg_generic);
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// CHECK-LABEL: test_cast_null_pointer_to_sizet
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// CHECK: call void @test_cast_null_pointer_to_sizet_calee(i64 ptrtoint (i8* addrspacecast (i8 addrspace(4)* null to i8*) to i64), i64 ptrtoint (i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*) to i64), i64 0, i64 0, i64 0)
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// CHECK: call void @test_cast_null_pointer_to_sizet_calee(i64 ptrtoint (i8* addrspacecast (i8 addrspace(4)* null to i8*) to i64), i64 ptrtoint (i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*) to i64), i64 0, i64 0, i64 0)
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void test_cast_null_pointer_to_sizet(void) {
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test_cast_null_pointer_to_sizet_calee((size_t)((private char*)0),
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(size_t)((local char*)0),
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(size_t)((global char*)0),
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(size_t)((constant char*)0),
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(size_t)((generic char*)0));
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test_cast_null_pointer_to_sizet_calee((size_t)((private char*)NULL),
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(size_t)((local char*)NULL),
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(size_t)((global char*)NULL),
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(size_t)((constant char*)0), // NULL cannot be casted to constant pointer since it is defined as a generic pointer
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(size_t)((generic char*)NULL));
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}
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// Test comparision between null pointers.
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#define TEST_EQ00(addr1, addr2) int test_eq00_##addr1##_##addr2(void) { return (addr1 char*)0 == (addr2 char*)0; }
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#define TEST_EQ0N(addr1, addr2) int test_eq0N_##addr1##_##addr2(void) { return (addr1 char*)0 == (addr2 char*)NULL; }
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#define TEST_EQN0(addr1, addr2) int test_eqN0_##addr1##_##addr2(void) { return (addr1 char*)NULL == (addr2 char*)0; }
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#define TEST_EQNN(addr1, addr2) int test_eqNN_##addr1##_##addr2(void) { return (addr1 char*)0 == (addr2 char*)NULL; }
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#define TEST_NE00(addr1, addr2) int test_ne00_##addr1##_##addr2(void) { return (addr1 char*)0 != (addr2 char*)0; }
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#define TEST_NE0N(addr1, addr2) int test_ne0N_##addr1##_##addr2(void) { return (addr1 char*)0 != (addr2 char*)NULL; }
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#define TEST_NEN0(addr1, addr2) int test_neN0_##addr1##_##addr2(void) { return (addr1 char*)NULL != (addr2 char*)0; }
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#define TEST_NENN(addr1, addr2) int test_neNN_##addr1##_##addr2(void) { return (addr1 char*)0 != (addr2 char*)NULL; }
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#define TEST(addr1, addr2) \
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TEST_EQ00(addr1, addr2) \
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TEST_EQ0N(addr1, addr2) \
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TEST_EQN0(addr1, addr2) \
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TEST_EQNN(addr1, addr2) \
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TEST_NE00(addr1, addr2) \
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TEST_NE0N(addr1, addr2) \
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TEST_NEN0(addr1, addr2) \
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TEST_NENN(addr1, addr2)
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// CHECK-LABEL: test_eq00_generic_private
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// CHECK: ret i32 1
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// CHECK-LABEL: test_eq0N_generic_private
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// CHECK: ret i32 1
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// CHECK-LABEL: test_eqN0_generic_private
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// CHECK: ret i32 1
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// CHECK-LABEL: test_eqNN_generic_private
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// CHECK: ret i32 1
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// CHECK-LABEL: test_ne00_generic_private
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// CHECK: ret i32 0
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// CHECK-LABEL: test_ne0N_generic_private
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// CHECK: ret i32 0
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// CHECK-LABEL: test_neN0_generic_private
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// CHECK: ret i32 0
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// CHECK-LABEL: test_neNN_generic_private
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// CHECK: ret i32 0
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TEST(generic, private)
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// CHECK-LABEL: test_eq00_generic_local
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// CHECK: ret i32 1
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// CHECK-LABEL: test_eq0N_generic_local
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// CHECK: ret i32 1
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// CHECK-LABEL: test_eqN0_generic_local
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// CHECK: ret i32 1
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// CHECK-LABEL: test_eqNN_generic_local
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// CHECK: ret i32 1
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// CHECK-LABEL: test_ne00_generic_local
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// CHECK: ret i32 0
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// CHECK-LABEL: test_ne0N_generic_local
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// CHECK: ret i32 0
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// CHECK-LABEL: test_neN0_generic_local
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// CHECK: ret i32 0
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// CHECK-LABEL: test_neNN_generic_local
|
|
// CHECK: ret i32 0
|
|
TEST(generic, local)
|
|
|
|
// CHECK-LABEL: test_eq00_generic_global
|
|
// CHECK: ret i32 1
|
|
// CHECK-LABEL: test_eq0N_generic_global
|
|
// CHECK: ret i32 1
|
|
// CHECK-LABEL: test_eqN0_generic_global
|
|
// CHECK: ret i32 1
|
|
// CHECK-LABEL: test_eqNN_generic_global
|
|
// CHECK: ret i32 1
|
|
// CHECK-LABEL: test_ne00_generic_global
|
|
// CHECK: ret i32 0
|
|
// CHECK-LABEL: test_ne0N_generic_global
|
|
// CHECK: ret i32 0
|
|
// CHECK-LABEL: test_neN0_generic_global
|
|
// CHECK: ret i32 0
|
|
// CHECK-LABEL: test_neNN_generic_global
|
|
// CHECK: ret i32 0
|
|
TEST(generic, global)
|
|
|
|
// CHECK-LABEL: test_eq00_generic_generic
|
|
// CHECK: ret i32 1
|
|
// CHECK-LABEL: test_eq0N_generic_generic
|
|
// CHECK: ret i32 1
|
|
// CHECK-LABEL: test_eqN0_generic_generic
|
|
// CHECK: ret i32 1
|
|
// CHECK-LABEL: test_eqNN_generic_generic
|
|
// CHECK: ret i32 1
|
|
// CHECK-LABEL: test_ne00_generic_generic
|
|
// CHECK: ret i32 0
|
|
// CHECK-LABEL: test_ne0N_generic_generic
|
|
// CHECK: ret i32 0
|
|
// CHECK-LABEL: test_neN0_generic_generic
|
|
// CHECK: ret i32 0
|
|
// CHECK-LABEL: test_neNN_generic_generic
|
|
// CHECK: ret i32 0
|
|
TEST(generic, generic)
|
|
|
|
// CHECK-LABEL: test_eq00_constant_constant
|
|
// CHECK: ret i32 1
|
|
TEST_EQ00(constant, constant)
|
|
|
|
// Test cast to bool.
|
|
|
|
// CHECK-LABEL: cast_bool_private
|
|
// CHECK: icmp eq i8* %p, addrspacecast (i8 addrspace(4)* null to i8*)
|
|
void cast_bool_private(private char* p) {
|
|
if (p)
|
|
*p = 0;
|
|
}
|
|
|
|
// CHECK-LABEL: cast_bool_local
|
|
// CHECK: icmp eq i8 addrspace(3)* %p, addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*)
|
|
void cast_bool_local(local char* p) {
|
|
if (p)
|
|
*p = 0;
|
|
}
|
|
|
|
// CHECK-LABEL: cast_bool_global
|
|
// CHECK: icmp eq i8 addrspace(1)* %p, null
|
|
void cast_bool_global(global char* p) {
|
|
if (p)
|
|
*p = 0;
|
|
}
|
|
|
|
// CHECK-LABEL: cast_bool_constant
|
|
// CHECK: icmp eq i8 addrspace(2)* %p, null
|
|
char cast_bool_constant(constant char* p) {
|
|
if (p)
|
|
return *p;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
// CHECK-LABEL: cast_bool_generic
|
|
// CHECK: icmp eq i8 addrspace(4)* %p, null
|
|
void cast_bool_generic(generic char* p) {
|
|
if (p)
|
|
*p = 0;
|
|
}
|
|
|
|
// Test initialize a struct using memset.
|
|
// For large structures which is mostly zero, clang generats llvm.memset for
|
|
// the zero part and store for non-zero members.
|
|
typedef struct {
|
|
long a, b, c, d;
|
|
private char *p;
|
|
} StructTy3;
|
|
|
|
// CHECK-LABEL: test_memset
|
|
// CHECK: call void @llvm.memset.p0i8.i64(i8* {{.*}}, i8 0, i64 32, i32 8, i1 false)
|
|
// CHECK: store i8* addrspacecast (i8 addrspace(4)* null to i8*), i8** {{.*}}
|
|
StructTy3 test_memset(void) {
|
|
StructTy3 S3 = {0, 0, 0, 0, 0};
|
|
return S3;
|
|
}
|
|
|
|
// Test casting literal 0 to pointer.
|
|
// A 0 literal casted to pointer should become a null pointer.
|
|
|
|
// CHECK-LABEL: test_cast_0_to_ptr
|
|
// CHECK: ret i32* addrspacecast (i32 addrspace(4)* null to i32*)
|
|
private int* test_cast_0_to_ptr(void) {
|
|
return (private int*)0;
|
|
}
|
|
|
|
// Test casting non-literal integer with 0 value to pointer.
|
|
// A non-literal integer expression with 0 value is casted to a pointer with
|
|
// zero value.
|
|
|
|
// CHECK-LABEL: test_cast_int_to_ptr1
|
|
// CHECK: ret i32* null
|
|
private int* test_cast_int_to_ptr1(void) {
|
|
return (private int*)((void)0, 0);
|
|
}
|
|
|
|
// CHECK-LABEL: test_cast_int_to_ptr2
|
|
// CHECK: ret i32* null
|
|
private int* test_cast_int_to_ptr2(void) {
|
|
int x = 0;
|
|
return (private int*)x;
|
|
}
|
|
|
|
// Test logical operations.
|
|
// CHECK-LABEL: test_not_nullptr
|
|
// CHECK: ret i32 1
|
|
int test_not_nullptr(void) {
|
|
return !(private char*)NULL;
|
|
}
|
|
|
|
// CHECK-LABEL: test_and_nullptr
|
|
// CHECK: ret i32 0
|
|
int test_and_nullptr(int a) {
|
|
return a && ((private char*)NULL);
|
|
}
|
|
|
|
// CHECK-LABEL: test_not_ptr
|
|
// CHECK: %[[lnot:.*]] = icmp eq i8* %p, addrspacecast (i8 addrspace(4)* null to i8*)
|
|
// CHECK: %[[lnot_ext:.*]] = zext i1 %[[lnot]] to i32
|
|
// CHECK: ret i32 %[[lnot_ext]]
|
|
int test_not_ptr(private char* p) {
|
|
return !p;
|
|
}
|
|
// CHECK-LABEL: test_and_ptr
|
|
// CHECK: %[[tobool:.*]] = icmp ne i8* %p1, addrspacecast (i8 addrspace(4)* null to i8*)
|
|
// CHECK: %[[tobool1:.*]] = icmp ne i8 addrspace(3)* %p2, addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*)
|
|
// CHECK: %[[res:.*]] = and i1 %[[tobool]], %[[tobool1]]
|
|
// CHECK: %[[land_ext:.*]] = zext i1 %[[res]] to i32
|
|
// CHECK: ret i32 %[[land_ext]]
|
|
int test_and_ptr(private char* p1, local char* p2) {
|
|
return p1 && p2;
|
|
}
|
|
|
|
// Test folding of null pointer in function scope.
|
|
// NOOPT-LABEL: test_fold
|
|
// NOOPT: call void @test_fold_callee
|
|
// NOOPT: store i32 addrspace(1)* null, i32 addrspace(1)** %glob, align 4
|
|
// NOOPT: %{{.*}} = sub i64 %{{.*}}, 0
|
|
// NOOPT: call void @test_fold_callee
|
|
// NOOPT: %{{.*}} = add nsw i64 %{{.*}}, sext (i32 ptrtoint (i32* addrspacecast (i32 addrspace(4)* null to i32*) to i32) to i64)
|
|
// NOOPT: %{{.*}} = sub nsw i64 %{{.*}}, 1
|
|
void test_fold_callee(void);
|
|
void test_fold(void) {
|
|
global int* glob = (test_fold_callee(), (global int*)(generic char*)0);
|
|
long x = glob - (global int*)(generic char*)0;
|
|
x = x + (int)(test_fold_callee(), (private int*)(generic char*)(global short*)0);
|
|
x = x - (int)((private int*)0 == (private int*)(generic char*)0);
|
|
}
|