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Disable PRE for now. It seems to be breaking llvm-gcc bootstrapping.

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llvm-svn: 52518
This commit is contained in:
Evan Cheng 2008-06-20 01:01:07 +00:00
parent 0d86d31373
commit d4c055e1f8
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/Scalar/GVN.cpp
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@ -42,7 +42,7 @@ STATISTIC(NumGVNInstr, "Number of instructions deleted");
STATISTIC(NumGVNLoad, "Number of loads deleted");
STATISTIC(NumGVNPRE, "Number of instructions PRE'd");
static cl::opt<bool> DisablePRE("disable-pre",
static cl::opt<bool> EnablePRE("enable-pre",
cl::init(false), cl::Hidden);
//===----------------------------------------------------------------------===//
@ -1290,7 +1290,7 @@ bool GVN::iterateOnFunction(Function &F) {
DE = df_end(DT.getRootNode()); DI != DE; ++DI)
changed |= processBlock(*DI);
if (!DisablePRE)
if (!EnablePRE)
changed |= performPRE(F);
return changed;