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| author | Stephen Hines <srhines@google.com> | 2015-04-01 22:08:43 +0000 |
|---|---|---|
| committer | Android Git Automerger <android-git-automerger@android.com> | 2015-04-01 22:08:43 +0000 |
| commit | aa840b12bb733c809e6e05a7f62ba2c24dbe766c (patch) | |
| tree | 9348fc507292f7e8715d22d64ce5a32131b4f875 /lib/CodeGen/DeadMachineInstructionElim.cpp | |
| parent | 037f5289474a7ef6c130fa4971973349a0b2ec63 (diff) | |
| parent | 3fa16bd6062e23bcdb82ed4dd965674792e6b761 (diff) | |
| download | external_llvm-aa840b12bb733c809e6e05a7f62ba2c24dbe766c.zip external_llvm-aa840b12bb733c809e6e05a7f62ba2c24dbe766c.tar.gz external_llvm-aa840b12bb733c809e6e05a7f62ba2c24dbe766c.tar.bz2 | |
am 3fa16bd6: Merge "Update aosp/master LLVM for rebase to r230699."
* commit '3fa16bd6062e23bcdb82ed4dd965674792e6b761':
Update aosp/master LLVM for rebase to r230699.
Diffstat (limited to 'lib/CodeGen/DeadMachineInstructionElim.cpp')
| -rw-r--r-- | lib/CodeGen/DeadMachineInstructionElim.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/DeadMachineInstructionElim.cpp b/lib/CodeGen/DeadMachineInstructionElim.cpp index 48213c1..c17a35d 100644 --- a/lib/CodeGen/DeadMachineInstructionElim.cpp +++ b/lib/CodeGen/DeadMachineInstructionElim.cpp @@ -59,6 +59,10 @@ bool DeadMachineInstructionElim::isDead(const MachineInstr *MI) const { if (MI->isInlineAsm()) return false; + // Don't delete frame allocation labels. + if (MI->getOpcode() == TargetOpcode::FRAME_ALLOC) + return false; + // Don't delete instructions with side effects. bool SawStore = false; if (!MI->isSafeToMove(TII, nullptr, SawStore) && !MI->isPHI()) |