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| author | Mikael Holmen <mikael.holmen@ericsson.com> | 2017-12-07 07:01:21 +0000 |
|---|---|---|
| committer | Mikael Holmen <mikael.holmen@ericsson.com> | 2017-12-07 07:01:21 +0000 |
| commit | 78cae93022a6de5f16ee747b8f964eb2bc8eceb7 (patch) | |
| tree | 88ea437272d2b99043d1d013d80bed727152d33b /lib/CodeGen/OptimizePHIs.cpp | |
| parent | 57c16f9267969ebb09d6448607999b4a9f40c418 (diff) | |
Skip DBG instr in OptimizePHIs when looking for dead PHI cycles
Summary:
Changed use_instructions() to use_nodbg_instructions() when
building an instruction set.
We don't want the presence of debug info to affect the code
we generate.
Reviewers: dblaikie, Eugene.Zelenko, chandlerc, aprantl
Reviewed By: aprantl
Subscribers: aprantl, llvm-commits
Differential Revision: https://reviews.llvm.org/D40882
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320010 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/OptimizePHIs.cpp')
| -rw-r--r-- | lib/CodeGen/OptimizePHIs.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/OptimizePHIs.cpp b/lib/CodeGen/OptimizePHIs.cpp index 82ec1cb5c94..5421b444d86 100644 --- a/lib/CodeGen/OptimizePHIs.cpp +++ b/lib/CodeGen/OptimizePHIs.cpp @@ -154,7 +154,7 @@ bool OptimizePHIs::IsDeadPHICycle(MachineInstr *MI, InstrSet &PHIsInCycle) { if (PHIsInCycle.size() == 16) return false; - for (MachineInstr &UseMI : MRI->use_instructions(DstReg)) { + for (MachineInstr &UseMI : MRI->use_nodbg_instructions(DstReg)) { if (!UseMI.isPHI() || !IsDeadPHICycle(&UseMI, PHIsInCycle)) return false; } |