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authorEvgeniy Stepanov <eugeni.stepanov@gmail.com>2013-03-22 08:43:04 +0000
committerEvgeniy Stepanov <eugeni.stepanov@gmail.com>2013-03-22 08:43:04 +0000
commit7541cd36fdd1bd044e22497838faac7b8f7e48cd (patch)
tree47b19da10990a6b456fba97f5c36f0e72fe28d06 /test/Instrumentation
parent2be921adc41fb079ce25d36bdd6402ca70d56451 (diff)
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Fix llvm::removeUnreachableBlocks to handle unreachable loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177713 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation')
-rw-r--r--test/Instrumentation/MemorySanitizer/unreachable.ll16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Instrumentation/MemorySanitizer/unreachable.ll b/test/Instrumentation/MemorySanitizer/unreachable.ll
index 66a9575d3f..c8130717c7 100644
--- a/test/Instrumentation/MemorySanitizer/unreachable.ll
+++ b/test/Instrumentation/MemorySanitizer/unreachable.ll
@@ -21,3 +21,19 @@ exit:
; CHECK: @Func
; CHECK: store i32 0, {{.*}} @__msan_retval_tls
; CHECK: ret i32 42
+
+
+define i32 @UnreachableLoop() nounwind uwtable {
+entry:
+ ret i32 0
+
+zzz:
+ br label %xxx
+
+xxx:
+ br label %zzz
+}
+
+; CHECK: @UnreachableLoop
+; CHECK: store i32 0, {{.*}} @__msan_retval_tls
+; CHECK: ret i32 0