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39db5e1ed8
Conversion performed using the script at: https://gist.github.com/nikic/98357b71fd67756b0f064c9517b62a34 These are only tests where no manual fixup was required.
82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm < %s | FileCheck %s
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// Note: this test originally asserted that malloc/calloc/realloc got alignment
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// attributes on their return pointer. However, that was reverted in
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// https://reviews.llvm.org/D118804 and it now asserts that they do _NOT_ get
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// align attributes.
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typedef __SIZE_TYPE__ size_t;
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void *malloc(size_t);
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void *calloc(size_t, size_t);
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void *realloc(void *, size_t);
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void *aligned_alloc(size_t, size_t);
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void *memalign(size_t, size_t);
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void *malloc_test(size_t n) {
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return malloc(n);
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}
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void *calloc_test(size_t n) {
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return calloc(1, n);
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}
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void *realloc_test(void *p, size_t n) {
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return realloc(p, n);
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}
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void *aligned_alloc_variable_test(size_t n, size_t a) {
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return aligned_alloc(a, n);
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}
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void *memalign_variable_test(size_t n, size_t a) {
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return memalign(a, n);
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}
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void *aligned_alloc_constant_test(size_t n) {
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return aligned_alloc(8, n);
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}
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void *aligned_alloc_large_constant_test(size_t n) {
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return aligned_alloc(4096, n);
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}
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void *memalign_large_constant_test(size_t n) {
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return memalign(4096, n);
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}
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// CHECK-LABEL: @malloc_test
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// CHECK: call ptr @malloc
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// CHECK: declare ptr @malloc
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// CHECK-LABEL: @calloc_test
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// CHECK: call ptr @calloc
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// CHECK: declare ptr @calloc
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// CHECK-LABEL: @realloc_test
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// CHECK: call ptr @realloc
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// CHECK: declare ptr @realloc
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// CHECK-LABEL: @aligned_alloc_variable_test
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// CHECK: %[[ALLOCATED:.*]] = call ptr @aligned_alloc({{i32|i64}} noundef %[[ALIGN:.*]], {{i32|i64}} noundef %[[NBYTES:.*]])
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// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr %[[ALLOCATED]], {{i32|i64}} %[[ALIGN]]) ]
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// CHECK: declare ptr @aligned_alloc
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// CHECK-LABEL: @memalign_variable_test
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// CHECK: %[[ALLOCATED:.*]] = call ptr @memalign({{i32|i64}} noundef %[[ALIGN:.*]], {{i32|i64}} noundef %[[NBYTES:.*]])
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// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr %[[ALLOCATED]], {{i32|i64}} %[[ALIGN]]) ]
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// CHECK-LABEL: @aligned_alloc_constant_test
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// CHECK: call align 8 ptr @aligned_alloc
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// CHECK-LABEL: @aligned_alloc_large_constant_test
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// CHECK: call align 4096 ptr @aligned_alloc
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// CHECK-LABEL: @memalign_large_constant_test
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// CHECK: align 4096 ptr @memalign
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