Fix a typo that was killing GVNPRE of select instructions.
llvm-svn: 37871
diff --git a/llvm/lib/Transforms/Scalar/GVNPRE.cpp b/llvm/lib/Transforms/Scalar/GVNPRE.cpp
index 33926ea..5d52aa4 100644
--- a/llvm/lib/Transforms/Scalar/GVNPRE.cpp
+++ b/llvm/lib/Transforms/Scalar/GVNPRE.cpp
@@ -1040,7 +1040,7 @@
stack.push_back(r);
else if (m != 0 && isa<Instruction>(m) &&
visited.count(m) == 0)
- stack.push_back(r);
+ stack.push_back(m);
else {
vec.push_back(e);
visited.insert(e);
diff --git a/llvm/test/Transforms/GVNPRE/2007-07-04-CleanSelect.ll b/llvm/test/Transforms/GVNPRE/2007-07-04-CleanSelect.ll
new file mode 100644
index 0000000..d72e2e1
--- /dev/null
+++ b/llvm/test/Transforms/GVNPRE/2007-07-04-CleanSelect.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | opt -gvnpre | llvm-dis
+
+define i32* @_ZN6Solver9propagateEv(i32* %this) {
+entry:
+ %tmp15.i48 = load i8* null ; <i8> [#uses=2]
+ %tmp64.i.i51 = sub i8 0, %tmp15.i48 ; <i8> [#uses=1]
+ %tmp231.i52 = select i1 false, i8 %tmp15.i48, i8 %tmp64.i.i51 ; <i8> [#uses=0]
+ ret i32* null
+}