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| author | Jim Grosbach <grosbach@apple.com> | 2010-08-24 19:05:43 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-08-24 19:05:43 +0000 |
| commit | a273442891ae20fd8192526132e3819ea9e5eda9 (patch) | |
| tree | 0e28d05f881cbe240efb9fba0d59f0072c149869 /lib/CodeGen/LocalStackSlotAllocation.cpp | |
| parent | 05ea54e8869a81b8dd846397175f218f97968907 (diff) | |
| download | llvm-a273442891ae20fd8192526132e3819ea9e5eda9.tar.gz llvm-a273442891ae20fd8192526132e3819ea9e5eda9.tar.bz2 llvm-a273442891ae20fd8192526132e3819ea9e5eda9.tar.xz | |
Move enabling the local stack allocation pass into the target where it belongs.
For now it's still a command line option, but the interface to the generic
code doesn't need to know that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111942 91177308-0d34-0410-b5e6-96231b3b80d8
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. |