diff options
Diffstat (limited to 'lib/CodeGen/LocalStackSlotAllocation.cpp')
| -rw-r--r-- | lib/CodeGen/LocalStackSlotAllocation.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/LocalStackSlotAllocation.cpp b/lib/CodeGen/LocalStackSlotAllocation.cpp index 811cb07628..3f79593b4e 100644 --- a/lib/CodeGen/LocalStackSlotAllocation.cpp +++ b/lib/CodeGen/LocalStackSlotAllocation.cpp @@ -74,10 +74,12 @@ FunctionPass *llvm::createLocalStackSlotAllocationPass() { bool LocalStackSlotPass::runOnMachineFunction(MachineFunction &MF) { MachineFrameInfo *MFI = MF.getFrameInfo(); + const TargetRegisterInfo *TRI = MF.getTarget().getRegisterInfo(); unsigned LocalObjectCount = MFI->getObjectIndexEnd(); - // Early exit if there are no locals to consider - if (!LocalObjectCount) + // If the target doesn't want/need this pass, or if there are no locals + // to consider, early exit. + if (!TRI->requiresVirtualBaseRegisters(MF) || LocalObjectCount == 0) return true; // Make sure we have enough space to store the local offsets. |