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33 lines
1.5 KiB
LLVM
33 lines
1.5 KiB
LLVM
; RUN: opt < %s -asan -asan-module -asan-coverage=1 -S | FileCheck %s --check-prefix=CHECK1
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; RUN: opt < %s -asan -asan-module -asan-coverage=2 -S | FileCheck %s --check-prefix=CHECK2
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; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-coverage-block-threshold=10 -S | FileCheck %s --check-prefix=CHECK2
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; RUN: opt < %s -asan -asan-module -asan-coverage=2 -asan-coverage-block-threshold=1 -S | FileCheck %s --check-prefix=CHECK1
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-unknown-linux-gnu"
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define void @foo(i32* %a) sanitize_address {
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entry:
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%tobool = icmp eq i32* %a, null
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br i1 %tobool, label %if.end, label %if.then
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if.then: ; preds = %entry
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store i32 0, i32* %a, align 4
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br label %if.end
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if.end: ; preds = %entry, %if.then
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ret void
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}
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; CHECK1-LABEL: define void @foo
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; CHECK1: %0 = load atomic i8* @__asan_gen_cov_foo monotonic, align 1
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; CHECK1: %1 = icmp eq i8 0, %0
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; CHECK1: br i1 %1, label %2, label %3
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; CHECK1: call void @__sanitizer_cov
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; CHECK1-NOT: call void @__sanitizer_cov
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; CHECK1: store atomic i8 1, i8* @__asan_gen_cov_foo monotonic, align 1
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; CHECK2-LABEL: define void @foo
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; CHECK2: call void @__sanitizer_cov
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; CHECK2: call void @__sanitizer_cov
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; CHECK2: call void @__sanitizer_cov
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; CHECK2-NOT: call void @__sanitizer_cov
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; CHECK2: ret void
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