| 1 | // 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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| 2 | |
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| 3 | // CHECK-LABEL: @baseline |
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| 4 | void *baseline(void *x) { |
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| 5 | // CHECK: call void @__ubsan_handle_alignment_assumption( |
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| 6 | return __builtin_assume_aligned(x, 1); |
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| 7 | } |
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| 8 | |
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| 9 | // CHECK-LABEL: blacklist_0 |
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| 10 | __attribute__((no_sanitize("undefined"))) void *blacklist_0(void *x) { |
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| 11 | return __builtin_assume_aligned(x, 1); |
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| 12 | } |
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| 13 | |
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| 14 | // CHECK-LABEL: blacklist_1 |
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| 15 | __attribute__((no_sanitize("alignment"))) void *blacklist_1(void *x) { |
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| 16 | return __builtin_assume_aligned(x, 1); |
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| 17 | } |
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| 18 | |
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| 19 | // CHECK-LABEL: dont_ignore_volatile_ptrs |
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| 20 | void *dont_ignore_volatile_ptrs(void * volatile x) { |
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| 21 | // CHECK: call void @__ubsan_handle_alignment_assumption( |
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| 22 | return __builtin_assume_aligned(x, 1); |
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| 23 | } |
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| 24 | |
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| 25 | // CHECK-LABEL: ignore_volatiles |
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| 26 | void *ignore_volatiles(volatile void * x) { |
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| 27 | return __builtin_assume_aligned(x, 1); |
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| 28 | } |
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| 29 | |
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