derek.holloway
7502bf64a4
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80 lines
4.5 KiB
C
80 lines
4.5 KiB
C
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
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// RUN: FileCheck --input-file=%t.cir %s -check-prefix=CIR
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t.ll
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// RUN: FileCheck --input-file=%t.ll %s -check-prefix=LLVM
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t.ll
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// RUN: FileCheck --input-file=%t.ll %s -check-prefix=LLVM
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#define NULL ((void *)0)
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typedef unsigned long size_t;
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// CIR: cir.func{{.*}}@my_malloc(!s32i {llvm.noundef}){{.*}} attributes {allocsize = array<i32: 0>}
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extern void *my_malloc(int) __attribute__((alloc_size(1)));
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// CIR: cir.func{{.*}}@my_calloc(!s32i {llvm.noundef}, !s32i {llvm.noundef}){{.*}} attributes {allocsize = array<i32: 0, 1>}
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extern void *my_calloc(int, int) __attribute__((alloc_size(1, 2)));
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// CIR-LABEL: @call_direct
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// LLVM-LABEL: @call_direct
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void call_direct(void) {
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my_malloc(50);
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// CIR: cir.call @my_malloc(%{{.*}}) {allocsize = array<i32: 0>}
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// LLVM: call ptr @my_malloc(i32{{.*}} 50) [[DIRECT_MALLOC_ATTR:#[0-9]+]]
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my_calloc(1, 16);
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// CIR: cir.call @my_calloc(%{{.*}}) {allocsize = array<i32: 0, 1>}
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// LLVM: call ptr @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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// CIR-LABEL: @call_function_pointer
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// LLVM-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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// CIR: %[[MALLOC_FN_PTR_GLOBAL:.*]] = cir.get_global @malloc_function_pointer
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// CIR: %[[MALLOC_FN_PTR:.+]] = cir.load{{.*}}%[[MALLOC_FN_PTR_GLOBAL]]
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// CIR: cir.call %[[MALLOC_FN_PTR]]({{.*}}) {allocsize = array<i32: 1>}
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//
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// LLVM: %[[MALLOC_FN_PTR:.+]] = load ptr, ptr @malloc_function_pointer, align 8
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// LLVM: call ptr %[[MALLOC_FN_PTR]](ptr{{.*}} null, i32{{.*}} 100) [[INDIRECT_MALLOC_ATTR:#[0-9]+]]
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calloc_function_pointer(NULL, 2, 4);
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// CIR: %[[CALLOC_FN_PTR_GLOBAL:.*]] = cir.get_global @calloc_function_pointer
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// CIR: %[[CALLOC_FN_PTR:.+]] = cir.load{{.*}}%[[CALLOC_FN_PTR_GLOBAL]]
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// CIR: cir.call %[[CALLOC_FN_PTR]]({{.*}}) {allocsize = array<i32: 1, 2>}
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//
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// LLVM: %[[CALLOC_FN_PTR:.+]] = load ptr, ptr @calloc_function_pointer, align 8
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// LLVM: call ptr %[[CALLOC_FN_PTR]](ptr{{.*}} 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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// CIR-LABEL: @call_function_pointer_typedef
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// LLVM-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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// CIR: %[[INDIRECT_TYPEDEF_MALLOC_FN_PTR_GLOBAL:.*]] = cir.get_global @malloc_function_pointer_with_typedef
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// CIR: %[[INDIRECT_TYPEDEF_MALLOC_FN_PTR:.+]] = cir.load{{.*}}%[[INDIRECT_TYPEDEF_MALLOC_FN_PTR_GLOBAL]]
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// CIR: cir.call %[[INDIRECT_TYPEDEF_MALLOC_FN_PTR]]({{.*}}) {allocsize = array<i32: 2>}
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//
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// LLVM: %[[INDIRECT_TYPEDEF_MALLOC_FN_PTR:.+]] = load ptr, ptr @malloc_function_pointer_with_typedef, align 8
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// LLVM: call ptr %[[INDIRECT_TYPEDEF_MALLOC_FN_PTR]](ptr{{.*}} null, ptr{{.*}} 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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// CIR: %[[INDIRECT_TYPEDEF_CALLOC_FN_PTR_GLOBAL:.*]] = cir.get_global @calloc_function_pointer_with_typedef
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// CIR: %[[INDIRECT_TYPEDEF_CALLOC_FN_PTR:.+]] = cir.load{{.*}}%[[INDIRECT_TYPEDEF_CALLOC_FN_PTR_GLOBAL]]
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// CIR: cir.call %[[INDIRECT_TYPEDEF_CALLOC_FN_PTR]]({{.*}}) {allocsize = array<i32: 2, 3>}
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//
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// LLVM: %[[INDIRECT_TYPEDEF_CALLOC_FN_PTR:.+]] = load ptr, ptr @calloc_function_pointer_with_typedef, align 8
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// LLVM: call ptr %[[INDIRECT_TYPEDEF_CALLOC_FN_PTR]](ptr{{.*}} null, ptr{{.*}} null, i32{{.*}} 8, i32{{.*}} 4) [[INDIRECT_TYPEDEF_CALLOC_ATTR:#[0-9]+]]
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}
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// LLVM: attributes [[DIRECT_MALLOC_ATTR]] = { allocsize(0) }
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// LLVM: attributes [[DIRECT_CALLOC_ATTR]] = { allocsize(0,1) }
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// LLVM: attributes [[INDIRECT_MALLOC_ATTR]] = { allocsize(1) }
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// LLVM: attributes [[INDIRECT_CALLOC_ATTR]] = { allocsize(1,2) }
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// LLVM: attributes [[INDIRECT_TYPEDEF_MALLOC_ATTR]] = { allocsize(2) }
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// LLVM: attributes [[INDIRECT_TYPEDEF_CALLOC_ATTR]] = { allocsize(2,3) }
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