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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.
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
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// RUN: %clang_cc1 -x c -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s
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// RUN: %clang_cc1 -x c -fsanitize=pointer-overflow -fno-sanitize-recover=pointer-overflow -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s
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// RUN: %clang_cc1 -x c++ -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s
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// RUN: %clang_cc1 -x c++ -fsanitize=pointer-overflow -fno-sanitize-recover=pointer-overflow -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct S {
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int x, y;
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};
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// CHECK-LABEL: @get_offset_of_y_naively(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: ret i64 ptrtoint (ptr getelementptr inbounds ([[STRUCT_S:%.*]], ptr null, i32 0, i32 1) to i64)
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//
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uintptr_t get_offset_of_y_naively(void) {
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return ((uintptr_t)(&(((struct S *)0)->y)));
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}
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// CHECK-LABEL: @get_offset_of_y_via_builtin(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: ret i64 4
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//
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uintptr_t get_offset_of_y_via_builtin(void) {
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return __builtin_offsetof(struct S, y);
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}
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#ifdef __cplusplus
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}
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#endif
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