diff options
| author | Andrew Trick <atrick@apple.com> | 2012-11-17 03:35:11 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-11-17 03:35:11 +0000 |
| commit | e1f663933a59a04c6c01f12e140088cf2370b1f4 (patch) | |
| tree | 4d812e7f409fd49d1bc700650e2e1cb55889dc3e /lib/CodeGen/TargetInstrInfoImpl.cpp | |
| parent | c37f502d48f7eb34099bb60ece63400657fb180e (diff) | |
Broaden isSchedulingBoundary to check aliases of SP.
On PPC the stack pointer is X1, but ADJCALLSTACK writes R1.
Fixes PR14315: Register regmask dependency problem with misched.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168248 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TargetInstrInfoImpl.cpp')
| -rw-r--r-- | lib/CodeGen/TargetInstrInfoImpl.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/TargetInstrInfoImpl.cpp b/lib/CodeGen/TargetInstrInfoImpl.cpp index 4439192fe2..433f2ea061 100644 --- a/lib/CodeGen/TargetInstrInfoImpl.cpp +++ b/lib/CodeGen/TargetInstrInfoImpl.cpp @@ -472,7 +472,8 @@ bool TargetInstrInfoImpl::isSchedulingBoundary(const MachineInstr *MI, // stack slot reference to depend on the instruction that does the // modification. const TargetLowering &TLI = *MF.getTarget().getTargetLowering(); - if (MI->definesRegister(TLI.getStackPointerRegisterToSaveRestore())) + const TargetRegisterInfo *TRI = MF.getTarget().getRegisterInfo(); + if (MI->modifiesRegister(TLI.getStackPointerRegisterToSaveRestore(), TRI)) return true; return false; |