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Run branch folding if if-converter make some transformations.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80994 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-09-04 07:47:40 +00:00
parent e93909185f
commit 030a0a0cdb
5 changed files with 188 additions and 85 deletions
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8
lib/CodeGen/IfConversion.cpp
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@ -12,6 +12,7 @@
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "ifcvt"
#include "BranchFolding.h"
#include "llvm/Function.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
@ -360,6 +361,13 @@ bool IfConverter::runOnMachineFunction(MachineFunction &MF) {
Roots.clear();
BBAnalysis.clear();
if (MadeChange) {
BranchFolder BF(false);
BF.OptimizeFunction(MF, TII,
MF.getTarget().getRegisterInfo(),
getAnalysisIfAvailable<MachineModuleInfo>());
}
return MadeChange;
}