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| 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 | 28c000b2343396a0358c1fcdd727bdebfa5b0754 (patch) | |
| tree | 71d86c8b749942b793ad6e891c80efd21c34749d /llvm/lib/CodeGen/TargetInstrInfoImpl.cpp | |
| parent | a6f86fc6fa98a4b6386f3d9cbe756be0556709cb (diff) | |
| download | bcm5719-llvm-28c000b2343396a0358c1fcdd727bdebfa5b0754.tar.gz bcm5719-llvm-28c000b2343396a0358c1fcdd727bdebfa5b0754.zip | |
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.
llvm-svn: 168248
Diffstat (limited to 'llvm/lib/CodeGen/TargetInstrInfoImpl.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TargetInstrInfoImpl.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/TargetInstrInfoImpl.cpp b/llvm/lib/CodeGen/TargetInstrInfoImpl.cpp index 4439192fe2f..433f2ea0618 100644 --- a/llvm/lib/CodeGen/TargetInstrInfoImpl.cpp +++ b/llvm/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; |
