23 lines
1.1 KiB
LLVM
23 lines
1.1 KiB
LLVM
; Test -sanitizer-coverage-control-flow.
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; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-control-flow -S | FileCheck %s
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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(ptr %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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call void @foo(i32* %a)
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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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; CHECK: private constant [17 x ptr] [{{.*}}@foo{{.*}}blockaddress{{.*}}blockaddress{{.*}}blockaddress{{.*}}blockaddress{{.*}}blockaddress{{.*}}blockaddress{{.*}}blockaddress{{.*}}@foo{{.*}}null{{.*}}null], section "__sancov_cfs", comdat($foo), align 8
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; CHECK: @__start___sancov_cfs = extern_weak hidden global
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; CHECK-NEXT: @__stop___sancov_cfs = extern_weak hidden global
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