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authorKostya Serebryany <kcc@google.com>2015-03-21 01:29:36 +0000
committerKostya Serebryany <kcc@google.com>2015-03-21 01:29:36 +0000
commitf4e35cc47dbb1af3982e18cbef242bb3162f3ca1 (patch)
tree9fb2affdfa6706ac30cd808ed66e623d9a46054f /llvm/test/Instrumentation/SanitizerCoverage/cmp-tracing.ll
parent7173b669b47fecc0570846ac37b7809f1e6550ed (diff)
downloadbcm5719-llvm-f4e35cc47dbb1af3982e18cbef242bb3162f3ca1.tar.gz
bcm5719-llvm-f4e35cc47dbb1af3982e18cbef242bb3162f3ca1.zip
[sanitizer] experimental tracing for cmp instructions
llvm-svn: 232873
Diffstat (limited to 'llvm/test/Instrumentation/SanitizerCoverage/cmp-tracing.ll')
-rw-r--r--llvm/test/Instrumentation/SanitizerCoverage/cmp-tracing.ll13
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/test/Instrumentation/SanitizerCoverage/cmp-tracing.ll b/llvm/test/Instrumentation/SanitizerCoverage/cmp-tracing.ll
new file mode 100644
index 00000000000..a37cdec985e
--- /dev/null
+++ b/llvm/test/Instrumentation/SanitizerCoverage/cmp-tracing.ll
@@ -0,0 +1,13 @@
+; Test -sanitizer-coverage-experimental-trace-compares=1
+; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -sanitizer-coverage-experimental-trace-compares=1 -S | FileCheck %s --check-prefix=CHECK
+
+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 i32 @foo(i32 %a, i32 %b) #0 {
+entry:
+ %cmp = icmp slt i32 %a, %b
+; CHECK: call void @__sanitizer_cov_trace_cmp
+; CHECK-NEXT: icmp slt i32 %a, %b
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
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