f193bcc701
This reverts the following commits: 37ca7a795b277c20c02a218bf44052278c03344b 9aa6c72b92b6c89cc6d23b693257df9af7de2d15 705387c5074bcca36d626882462ebbc2bcc3bed4 8ca4b3ef19fe82d7ad6a6e1515317dcc01b41515 80dba72a669b5416e97a42fd2c2a7bc5a6d3f44a
56 lines
2.8 KiB
C
56 lines
2.8 KiB
C
// Check that the alloc_size attribute is propagated to the call instruction
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// for both direct and indirect calls
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// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm %s -o - 2>&1 | FileCheck %s
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#define NULL ((void *)0)
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int gi;
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typedef unsigned long size_t;
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extern void *my_malloc(int) __attribute__((alloc_size(1)));
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extern void *my_calloc(int, int) __attribute__((alloc_size(1, 2)));
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// CHECK-LABEL: @call_direct
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void call_direct(void) {
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my_malloc(50);
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// CHECK: call i8* @my_malloc(i32 50) [[DIRECT_MALLOC_ATTR:#[0-9]+]]
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my_calloc(1, 16);
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// CHECK: call i8* @my_calloc(i32 1, i32 16) [[DIRECT_CALLOC_ATTR:#[0-9]+]]
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}
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extern void *(*malloc_function_pointer)(void *, int)__attribute__((alloc_size(2)));
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extern void *(*calloc_function_pointer)(void *, int, int)__attribute__((alloc_size(2, 3)));
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// CHECK-LABEL: @call_function_pointer
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void call_function_pointer(void) {
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malloc_function_pointer(NULL, 100);
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// CHECK: [[MALLOC_FN_PTR:%.+]] = load i8* (i8*, i32)*, i8* (i8*, i32)** @malloc_function_pointer, align 8
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// CHECK: call i8* [[MALLOC_FN_PTR]](i8* null, i32 100) [[INDIRECT_MALLOC_ATTR:#[0-9]+]]
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calloc_function_pointer(NULL, 2, 4);
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// CHECK: [[CALLOC_FN_PTR:%.+]] = load i8* (i8*, i32, i32)*, i8* (i8*, i32, i32)** @calloc_function_pointer, align 8
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// CHECK: call i8* [[CALLOC_FN_PTR]](i8* null, i32 2, i32 4) [[INDIRECT_CALLOC_ATTR:#[0-9]+]]
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}
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typedef void *(__attribute__((alloc_size(3))) * my_malloc_fn_pointer_type)(void *, void *, int);
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typedef void *(__attribute__((alloc_size(3, 4))) * my_calloc_fn_pointer_type)(void *, void *, int, int);
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extern my_malloc_fn_pointer_type malloc_function_pointer_with_typedef;
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extern my_calloc_fn_pointer_type calloc_function_pointer_with_typedef;
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// CHECK-LABEL: @call_function_pointer_typedef
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void call_function_pointer_typedef(void) {
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malloc_function_pointer_with_typedef(NULL, NULL, 200);
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// CHECK: [[INDIRECT_TYPEDEF_MALLOC_FN_PTR:%.+]] = load i8* (i8*, i8*, i32)*, i8* (i8*, i8*, i32)** @malloc_function_pointer_with_typedef, align 8
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// CHECK: call i8* [[INDIRECT_TYPEDEF_MALLOC_FN_PTR]](i8* null, i8* null, i32 200) [[INDIRECT_TYPEDEF_MALLOC_ATTR:#[0-9]+]]
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calloc_function_pointer_with_typedef(NULL, NULL, 8, 4);
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// CHECK: [[INDIRECT_TYPEDEF_CALLOC_FN_PTR:%.+]] = load i8* (i8*, i8*, i32, i32)*, i8* (i8*, i8*, i32, i32)** @calloc_function_pointer_with_typedef, align 8
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// CHECK: call i8* [[INDIRECT_TYPEDEF_CALLOC_FN_PTR]](i8* null, i8* null, i32 8, i32 4) [[INDIRECT_TYPEDEF_CALLOC_ATTR:#[0-9]+]]
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}
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// CHECK: attributes [[DIRECT_MALLOC_ATTR]] = { allocsize(0) }
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// CHECK: attributes [[DIRECT_CALLOC_ATTR]] = { allocsize(0,1) }
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// CHECK: attributes [[INDIRECT_MALLOC_ATTR]] = { allocsize(1) }
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// CHECK: attributes [[INDIRECT_CALLOC_ATTR]] = { allocsize(1,2) }
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// CHECK: attributes [[INDIRECT_TYPEDEF_MALLOC_ATTR]] = { allocsize(2) }
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// CHECK: attributes [[INDIRECT_TYPEDEF_CALLOC_ATTR]] = { allocsize(2,3) }
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