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| author | Nowar Gu <nowar100@gmail.com> | 2011-07-01 23:28:45 +0800 |
|---|---|---|
| committer | Nowar Gu <nowar100@gmail.com> | 2011-07-01 23:37:27 +0800 |
| commit | 53d48080e55bf0c99cb7ca9de5b15a084d7324b5 (patch) | |
| tree | 98f4e257a61eebb14933d37ddc16678da0a7069d /lib/CodeGen/CalcSpillWeights.cpp | |
| parent | 039a79eb418211573bada57ec3a1edf5a9d6071e (diff) | |
| parent | ed5bc470aab7097c30e5f881158112f7830472f3 (diff) | |
| download | external_llvm-53d48080e55bf0c99cb7ca9de5b15a084d7324b5.zip external_llvm-53d48080e55bf0c99cb7ca9de5b15a084d7324b5.tar.gz external_llvm-53d48080e55bf0c99cb7ca9de5b15a084d7324b5.tar.bz2 | |
Merge upstream to r134237 at Fri. 1st July 2011.
Conflicts:
lib/Target/ARM/ARMCodeEmitter.cpp
Diffstat (limited to 'lib/CodeGen/CalcSpillWeights.cpp')
| -rw-r--r-- | lib/CodeGen/CalcSpillWeights.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/CodeGen/CalcSpillWeights.cpp b/lib/CodeGen/CalcSpillWeights.cpp index 5d722ee..e6b3bbc 100644 --- a/lib/CodeGen/CalcSpillWeights.cpp +++ b/lib/CodeGen/CalcSpillWeights.cpp @@ -188,6 +188,7 @@ void VirtRegAuxInfo::CalculateWeightAndHint(LiveInterval &li) { void VirtRegAuxInfo::CalculateRegClass(unsigned reg) { MachineRegisterInfo &MRI = MF.getRegInfo(); + const TargetInstrInfo *TII = MF.getTarget().getInstrInfo(); const TargetRegisterInfo *TRI = MF.getTarget().getRegisterInfo(); const TargetRegisterClass *OldRC = MRI.getRegClass(reg); const TargetRegisterClass *NewRC = TRI->getLargestLegalSuperClass(OldRC); @@ -202,8 +203,11 @@ void VirtRegAuxInfo::CalculateRegClass(unsigned reg) { // TRI doesn't have accurate enough information to model this yet. if (I.getOperand().getSubReg()) return; + // Inline asm instuctions don't remember their constraints. + if (I->isInlineAsm()) + return; const TargetRegisterClass *OpRC = - I->getDesc().getRegClass(I.getOperandNo(), TRI); + TII->getRegClass(I->getDesc(), I.getOperandNo(), TRI); if (OpRC) NewRC = getCommonSubClass(NewRC, OpRC); if (!NewRC || NewRC == OldRC) |