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Diffstat (limited to 'lib/Target/PowerPC/PPCCTRLoops.cpp')
-rw-r--r--lib/Target/PowerPC/PPCCTRLoops.cpp17
1 files changed, 11 insertions, 6 deletions
diff --git a/lib/Target/PowerPC/PPCCTRLoops.cpp b/lib/Target/PowerPC/PPCCTRLoops.cpp
index 4224ae2d27..e419b9b40d 100644
--- a/lib/Target/PowerPC/PPCCTRLoops.cpp
+++ b/lib/Target/PowerPC/PPCCTRLoops.cpp
@@ -186,6 +186,13 @@ bool PPCCTRLoops::runOnFunction(Function &F) {
return MadeChange;
}
+static bool isLargeIntegerTy(bool Is32Bit, Type *Ty) {
+ if (IntegerType *ITy = dyn_cast<IntegerType>(Ty))
+ return ITy->getBitWidth() > (Is32Bit ? 32 : 64);
+
+ return false;
+}
+
bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) {
for (BasicBlock::iterator J = BB->begin(), JE = BB->end();
J != JE; ++J) {
@@ -352,13 +359,11 @@ bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) {
CastInst *CI = cast<CastInst>(J);
if (CI->getSrcTy()->getScalarType()->isPPC_FP128Ty() ||
CI->getDestTy()->getScalarType()->isPPC_FP128Ty() ||
- (TT.isArch32Bit() &&
- (CI->getSrcTy()->getScalarType()->isIntegerTy(64) ||
- CI->getDestTy()->getScalarType()->isIntegerTy(64))
- ))
+ isLargeIntegerTy(TT.isArch32Bit(), CI->getSrcTy()->getScalarType()) ||
+ isLargeIntegerTy(TT.isArch32Bit(), CI->getDestTy()->getScalarType()))
return true;
- } else if (TT.isArch32Bit() &&
- J->getType()->getScalarType()->isIntegerTy(64) &&
+ } else if (isLargeIntegerTy(TT.isArch32Bit(),
+ J->getType()->getScalarType()) &&
(J->getOpcode() == Instruction::UDiv ||
J->getOpcode() == Instruction::SDiv ||
J->getOpcode() == Instruction::URem ||