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-rw-r--r--contrib/llvm/lib/CodeGen/PHIElimination.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/contrib/llvm/lib/CodeGen/PHIElimination.cpp b/contrib/llvm/lib/CodeGen/PHIElimination.cpp
index af65f13..6994aa5 100644
--- a/contrib/llvm/lib/CodeGen/PHIElimination.cpp
+++ b/contrib/llvm/lib/CodeGen/PHIElimination.cpp
@@ -109,6 +109,9 @@ bool PHIElimination::runOnMachineFunction(MachineFunction &MF) {
bool Changed = false;
+ // This pass takes the function out of SSA form.
+ MRI->leaveSSA();
+
// Split critical edges to help the coalescer
if (!DisableEdgeSplitting) {
if (LiveVariables *LV = getAnalysisIfAvailable<LiveVariables>()) {
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