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| author | Jim Grosbach <grosbach@apple.com> | 2009-11-15 21:45:34 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2009-11-15 21:45:34 +0000 |
| commit | 01c1cae34d68de646f262a19440c61c6f3479b5b (patch) | |
| tree | c1cb265286862e1c8dbaf041e332cca45ccf7280 /llvm/lib/Target/ARM/ARMTargetMachine.cpp | |
| parent | 74ae3e5b0efdb637c061cded4e086ae48539734d (diff) | |
| download | bcm5719-llvm-01c1cae34d68de646f262a19440c61c6f3479b5b.tar.gz bcm5719-llvm-01c1cae34d68de646f262a19440c61c6f3479b5b.zip | |
Detect need for autoalignment of the stack earlier to catch spills more
conservatively. eliminateFrameIndex() machinery adjust to handle addr mode
6 (vld1/vst1) used for spills. Fix tests to expect aligned Q-reg spilling
llvm-svn: 88874
Diffstat (limited to 'llvm/lib/Target/ARM/ARMTargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMTargetMachine.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMTargetMachine.cpp b/llvm/lib/Target/ARM/ARMTargetMachine.cpp index 4d20a5c1a03..2564ed92547 100644 --- a/llvm/lib/Target/ARM/ARMTargetMachine.cpp +++ b/llvm/lib/Target/ARM/ARMTargetMachine.cpp @@ -93,6 +93,10 @@ bool ARMBaseTargetMachine::addPreRegAlloc(PassManagerBase &PM, if (Subtarget.hasNEON()) PM.add(createNEONPreAllocPass()); + // Calculate and set max stack object alignment early, so we can decide + // whether we will need stack realignment (and thus FP). + PM.add(createARMMaxStackAlignmentCalculatorPass()); + // FIXME: temporarily disabling load / store optimization pass for Thumb1. if (OptLevel != CodeGenOpt::None && !Subtarget.isThumb1Only()) PM.add(createARMLoadStoreOptimizationPass(true)); |
