forked from OSchip/llvm-project
29 lines
982 B
C
29 lines
982 B
C
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// RUN: %clang_cc1 -fsanitize=alignment -fsanitize-recover=alignment -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_alignment_assumption" --check-prefixes=CHECK
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// CHECK-LABEL: @baseline
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void *baseline(void *x) {
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// CHECK: call void @__ubsan_handle_alignment_assumption(
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return __builtin_assume_aligned(x, 1);
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}
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// CHECK-LABEL: blacklist_0
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__attribute__((no_sanitize("undefined"))) void *blacklist_0(void *x) {
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return __builtin_assume_aligned(x, 1);
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}
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// CHECK-LABEL: blacklist_1
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__attribute__((no_sanitize("alignment"))) void *blacklist_1(void *x) {
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return __builtin_assume_aligned(x, 1);
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}
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// CHECK-LABEL: dont_ignore_volatile_ptrs
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void *dont_ignore_volatile_ptrs(void * volatile x) {
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// CHECK: call void @__ubsan_handle_alignment_assumption(
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return __builtin_assume_aligned(x, 1);
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}
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// CHECK-LABEL: ignore_volatiles
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void *ignore_volatiles(volatile void * x) {
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return __builtin_assume_aligned(x, 1);
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}
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