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[NFC][clang] Improve test coverage for alignment manifestation on aligned allocation functions

This commit is contained in:
Roman Lebedev 2021-09-10 19:35:31 +03:00
parent da4a2fd832
commit 50d7ecc560
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GPG Key ID: 083C3EBB4A1689E0
1 changed files with 46 additions and 1 deletions
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47
clang/test/CodeGen/alloc-fns-alignment.c
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@ -5,12 +5,14 @@
// 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
typedef __SIZE_TYPE__ size_t;
void *malloc(size_t);
void *calloc(size_t, size_t);
void *realloc(void *, size_t);
void *aligned_alloc(size_t, size_t);
void *malloc_test(size_t n) {
return malloc(n);
@ -20,16 +22,59 @@ void *calloc_test(size_t n) {
return calloc(1, n);
}
void *raalloc_test(void *p, size_t n) {
void *realloc_test(void *p, size_t n) {
return realloc(p, n);
}
void *aligned_alloc_variable_test(size_t n, size_t a) {
return aligned_alloc(a, n);
}
void *aligned_alloc_constant_test(size_t n) {
return aligned_alloc(8, n);
}
void *aligned_alloc_large_constant_test(size_t n) {
return aligned_alloc(4096, 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: align 16 i8* @aligned_alloc
// CHECK-LABEL: @aligned_alloc_constant_test
// ALIGN16: align 16 i8* @aligned_alloc
// CHECK-LABEL: @aligned_alloc_large_constant_test
// ALIGN16: align 16 i8* @aligned_alloc
// CHECK-LABEL: @malloc_test
// ALIGN8: align 8 i8* @malloc
// CHECK-LABEL: @calloc_test
// ALIGN8: align 8 i8* @calloc
// CHECK-LABEL: @realloc_test
// ALIGN8: align 8 i8* @realloc
// CHECK-LABEL: @aligned_alloc_variable_test
// ALIGN8: align 8 i8* @aligned_alloc
// CHECK-LABEL: @aligned_alloc_constant_test
// ALIGN8: align 8 i8* @aligned_alloc
// CHECK-LABEL: @aligned_alloc_large_constant_test
// ALIGN8: align 8 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