diff options
Diffstat (limited to 'clang/test/CodeGen/alloc-fns-alignment.c')
-rw-r--r-- | clang/test/CodeGen/alloc-fns-alignment.c | 56 |
1 files changed, 20 insertions, 36 deletions
diff --git a/clang/test/CodeGen/alloc-fns-alignment.c b/clang/test/CodeGen/alloc-fns-alignment.c index 8ab0610accf0..31dc9bb2d759 100644 --- a/clang/test/CodeGen/alloc-fns-alignment.c +++ b/clang/test/CodeGen/alloc-fns-alignment.c @@ -1,11 +1,9 @@ -// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm < %s | FileCheck %s --check-prefix=ALIGN16 -// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm < %s | FileCheck %s --check-prefix=ALIGN16 -// RUN: %clang_cc1 -triple i386-apple-darwin -emit-llvm < %s | FileCheck %s --check-prefix=ALIGN16 -// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -emit-llvm < %s | FileCheck %s --check-prefix=ALIGN8 -// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fno-builtin-malloc -emit-llvm < %s | FileCheck %s --check-prefix=NOBUILTIN-MALLOC -// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fno-builtin-calloc -emit-llvm < %s | FileCheck %s --check-prefix=NOBUILTIN-CALLOC -// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fno-builtin-realloc -emit-llvm < %s | FileCheck %s --check-prefix=NOBUILTIN-REALLOC -// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fno-builtin-aligned_alloc -emit-llvm < %s | FileCheck %s --check-prefix=NOBUILTIN-ALIGNED_ALLOC +// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm < %s | FileCheck %s + +// Note: this test originally asserted that malloc/calloc/realloc got alignment +// attributes on their return pointer. However, that was reverted in +// https://reviews.llvm.org/D118804 and it now asserts that they do _NOT_ get +// align attributes. typedef __SIZE_TYPE__ size_t; @@ -39,43 +37,29 @@ void *aligned_alloc_large_constant_test(size_t n) { } // CHECK-LABEL: @malloc_test -// ALIGN16: align 16 i8* @malloc - -// CHECK-LABEL: @calloc_test -// ALIGN16: align 16 i8* @calloc - -// CHECK-LABEL: @realloc_test -// ALIGN16: align 16 i8* @realloc - -// CHECK-LABEL: @aligned_alloc_variable_test -// ALIGN16: %[[ALLOCATED:.*]] = call align 16 i8* @aligned_alloc({{i32|i64}} noundef %[[ALIGN:.*]], {{i32|i64}} noundef %[[NBYTES:.*]]) -// ALIGN16-NEXT: call void @llvm.assume(i1 true) [ "align"(i8* %[[ALLOCATED]], {{i32|i64}} %[[ALIGN]]) ] +// CHECK: call i8* @malloc -// CHECK-LABEL: @aligned_alloc_constant_test -// ALIGN16: align 16 i8* @aligned_alloc - -// CHECK-LABEL: @aligned_alloc_large_constant_test -// ALIGN16: align 4096 i8* @aligned_alloc - -// CHECK-LABEL: @malloc_test -// ALIGN8: align 8 i8* @malloc +// CHECK: declare i8* @malloc // CHECK-LABEL: @calloc_test -// ALIGN8: align 8 i8* @calloc +// CHECK: call i8* @calloc + +// CHECK: declare i8* @calloc // CHECK-LABEL: @realloc_test -// ALIGN8: align 8 i8* @realloc +// CHECK: call i8* @realloc + +// CHECK: declare i8* @realloc // CHECK-LABEL: @aligned_alloc_variable_test -// ALIGN8: align 8 i8* @aligned_alloc +// CHECK: %[[ALLOCATED:.*]] = call i8* @aligned_alloc({{i32|i64}} noundef %[[ALIGN:.*]], {{i32|i64}} noundef %[[NBYTES:.*]]) +// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i8* %[[ALLOCATED]], {{i32|i64}} %[[ALIGN]]) ] + +// CHECK: declare i8* @aligned_alloc // CHECK-LABEL: @aligned_alloc_constant_test -// ALIGN8: align 8 i8* @aligned_alloc +// CHECK: call align 8 i8* @aligned_alloc // CHECK-LABEL: @aligned_alloc_large_constant_test -// ALIGN8: align 4096 i8* @aligned_alloc +// CHECK: call align 4096 i8* @aligned_alloc -// NOBUILTIN-MALLOC: declare i8* @malloc -// NOBUILTIN-CALLOC: declare i8* @calloc -// NOBUILTIN-REALLOC: declare i8* @realloc -// NOBUILTIN-ALIGNED_ALLOC: declare i8* @aligned_alloc |