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-rw-r--r--llvm/lib/Target/PowerPC/PPCCTRLoops.cpp19
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp b/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
index b6ac4d54d4c..b0a3e93c486 100644
--- a/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
+++ b/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
@@ -422,6 +422,25 @@ bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) {
if (SI->getNumCases() + 1 >= (unsigned)TLI->getMinimumJumpTableEntries())
return true;
}
+
+ if (TM->getSubtargetImpl(*BB->getParent())->getTargetLowering()->useSoftFloat()) {
+ switch(J->getOpcode()) {
+ case Instruction::FAdd:
+ case Instruction::FSub:
+ case Instruction::FMul:
+ case Instruction::FDiv:
+ case Instruction::FRem:
+ case Instruction::FPTrunc:
+ case Instruction::FPExt:
+ case Instruction::FPToUI:
+ case Instruction::FPToSI:
+ case Instruction::UIToFP:
+ case Instruction::SIToFP:
+ case Instruction::FCmp:
+ return true;
+ }
+ }
+
for (Value *Operand : J->operands())
if (memAddrUsesCTR(TM, Operand))
return true;
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