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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-06-21 23:01:17 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-06-21 23:01:17 +0000 |
| commit | 6b3e2120b9edc34a9bc7df1753f3e44b9ff1c2c5 (patch) | |
| tree | bdc7b0711f5a1d4ea09347d96350e6783031ea9d /llvm/lib/CodeGen/DeadMachineInstructionElim.cpp | |
| parent | a783bac50bf7ab18aedeea9df60ecff7d8054942 (diff) | |
| download | bcm5719-llvm-6b3e2120b9edc34a9bc7df1753f3e44b9ff1c2c5.tar.gz bcm5719-llvm-6b3e2120b9edc34a9bc7df1753f3e44b9ff1c2c5.zip | |
Make DeadMachineInstructionElim preserve CFG
llvm-svn: 273330
Diffstat (limited to 'llvm/lib/CodeGen/DeadMachineInstructionElim.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/DeadMachineInstructionElim.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp b/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp index ae58b5bb0e7..0b8dc7a86ad 100644 --- a/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp +++ b/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp @@ -42,6 +42,11 @@ namespace { initializeDeadMachineInstructionElimPass(*PassRegistry::getPassRegistry()); } + void getAnalysisUsage(AnalysisUsage &AU) const override { + AU.setPreservesCFG(); + MachineFunctionPass::getAnalysisUsage(AU); + } + private: bool isDead(const MachineInstr *MI) const; }; |
