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authorOwen Anderson <resistor@mac.com>2010-12-15 00:55:35 +0000
committerOwen Anderson <resistor@mac.com>2010-12-15 00:55:35 +0000
commit86e8a700f516e8993417fb57d5386614b35c775d (patch)
tree07070adf1ac277abd6807a74239d4ad044d53784 /test/Transforms/CorrelatedValuePropagation
parent93f83deba1df95211898fe756758e81969955bd9 (diff)
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Fix PR8790, another instance where unreachable code can cause instruction simplification to fail,
this case involve a select that simplifies to itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121817 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/CorrelatedValuePropagation')
-rw-r--r--test/Transforms/CorrelatedValuePropagation/crash.ll17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/CorrelatedValuePropagation/crash.ll b/test/Transforms/CorrelatedValuePropagation/crash.ll
index 8636788..80c43d0 100644
--- a/test/Transforms/CorrelatedValuePropagation/crash.ll
+++ b/test/Transforms/CorrelatedValuePropagation/crash.ll
@@ -18,3 +18,20 @@ for.cond.us.us: ; preds = %for.cond.us.us
for.end: ; preds = %for.cond.us, %for.cond.us.us, %entry
ret void
}
+
+; PR 8790
+define void @test2() nounwind ssp {
+entry:
+ br label %func_29.exit
+
+sdf.exit.i:
+ %l_44.1.mux.i = select i1 %tobool5.not.i, i8 %l_44.1.mux.i, i8 1
+ br label %srf.exit.i
+
+srf.exit.i:
+ %tobool5.not.i = icmp ne i8 undef, 0
+ br i1 %tobool5.not.i, label %sdf.exit.i, label %func_29.exit
+
+func_29.exit:
+ ret void
+}