diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCCTRLoops.cpp')
-rw-r--r-- | lib/Target/PowerPC/PPCCTRLoops.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCCTRLoops.cpp b/lib/Target/PowerPC/PPCCTRLoops.cpp index e419b9b40d..819635c5d8 100644 --- a/lib/Target/PowerPC/PPCCTRLoops.cpp +++ b/lib/Target/PowerPC/PPCCTRLoops.cpp @@ -369,6 +369,14 @@ bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) { J->getOpcode() == Instruction::URem || J->getOpcode() == Instruction::SRem)) { return true; + } else if (TT.isArch32Bit() && + isLargeIntegerTy(false, J->getType()->getScalarType()) && + (J->getOpcode() == Instruction::Shl || + J->getOpcode() == Instruction::AShr || + J->getOpcode() == Instruction::LShr)) { + // Only on PPC32, for 128-bit integers (specifically not 64-bit + // integers), these might be runtime calls. + return true; } else if (isa<IndirectBrInst>(J) || isa<InvokeInst>(J)) { // On PowerPC, indirect jumps use the counter register. return true; |