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-rw-r--r--lib/Transforms/Scalar/GVN.cpp8
1 files changed, 3 insertions, 5 deletions
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index 43e850c65e..cf82ebc027 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -1670,14 +1670,9 @@ bool GVN::processInstruction(Instruction *I,
return Changed;
}
- uint32_t NextNum = VN.getNextUnusedValueNumber();
- unsigned Num = VN.lookup_or_add(I);
-
// For conditions branches, we can perform simple conditional propagation on
// the condition value itself.
if (BranchInst *BI = dyn_cast<BranchInst>(I)) {
- insert_table(Num, I, I->getParent());
-
if (!BI->isConditional() || isa<Constant>(BI->getCondition()))
return false;
@@ -1699,6 +1694,9 @@ bool GVN::processInstruction(Instruction *I,
return false;
}
+ uint32_t NextNum = VN.getNextUnusedValueNumber();
+ unsigned Num = VN.lookup_or_add(I);
+
// Allocations are always uniquely numbered, so we can save time and memory
// by fast failing them.
if (isa<AllocaInst>(I) || isa<TerminatorInst>(I) || isa<PHINode>(I)) {