[PATCH] D133157: Add test for -sanitizer-coverage-control-flow

[Navid Emamdoost via Phabricator via llvm-commits]

Navidem created this revision.
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Navidem requested review of this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D133157

Files:
  llvm/test/Instrumentation/SanitizerCoverage/control-flow.ll


Index: llvm/test/Instrumentation/SanitizerCoverage/control-flow.ll
===================================================================
--- /dev/null
+++ llvm/test/Instrumentation/SanitizerCoverage/control-flow.ll
@@ -0,0 +1,21 @@
+; Test -sanitizer-coverage-control-flow
+; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-control-flow -S | FileCheck %s
+
+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"
+target triple = "x86_64-unknown-linux-gnu"
+define void @foo(i32* %a) sanitize_address {
+entry:
+  %tobool = icmp eq i32* %a, null
+  br i1 %tobool, label %if.end, label %if.then
+
+  if.then:                                          ; preds = %entry
+  store i32 0, i32* %a, align 4
+  br label %if.end
+
+  if.end:                                           ; preds = %entry, %if.then
+  ret void
+}
+
+; CHECK: private constant [16 x i64*] [{{.*}}@foo{{.*}}blockaddress{{.*}}blockaddress{{.*}}blockaddress{{.*}}blockaddress{{.*}}blockaddress{{.*}}blockaddress{{.*}}blockaddress{{.*}}null{{.*}}null], section "__sancov_cfs", comdat($foo), align 8
+; CHECK:      @__start___sancov_cfs = extern_weak hidden global i64*
+; CHECK-NEXT: @__stop___sancov_cfs = extern_weak hidden global i64*


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