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-rw-r--r--lib/Transforms/Scalar/CorrelatedValuePropagation.cpp11
1 files changed, 1 insertions, 10 deletions
diff --git a/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp b/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
index 0f8f6d28e4..44e72e2232 100644
--- a/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
+++ b/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
@@ -19,7 +19,6 @@
#include "llvm/Analysis/LazyValueInfo.h"
#include "llvm/Support/CFG.h"
#include "llvm/Transforms/Utils/Local.h"
-#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/Statistic.h"
using namespace llvm;
@@ -172,10 +171,7 @@ bool CorrelatedValuePropagation::runOnFunction(Function &F) {
bool FnChanged = false;
- // Perform a depth-first walk of the CFG so that we don't waste time
- // optimizing unreachable blocks.
- for (df_iterator<BasicBlock*> FI = df_begin(&F.getEntryBlock()),
- FE = df_end(&F.getEntryBlock()); FI != FE; ++FI) {
+ for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI) {
bool BBChanged = false;
for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); BI != BE; ) {
Instruction *II = BI++;
@@ -197,11 +193,6 @@ bool CorrelatedValuePropagation::runOnFunction(Function &F) {
}
}
- // Propagating correlated values might leave cruft around.
- // Try to clean it up before we continue.
- if (BBChanged)
- SimplifyInstructionsInBlock(*FI);
-
FnChanged |= BBChanged;
}