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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-06-15 00:25:09 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-06-15 00:25:09 +0000 |
| commit | 3698ca231f06a0a710485df335d8d3e73f8adaeb (patch) | |
| tree | 1578b8f9d601f41074a76ce774d4d71d2b0b367a /llvm/lib/CodeGen/DetectDeadLanes.cpp | |
| parent | 4a697c312f901a3a1ec92e24c91cefd64f6b4346 (diff) | |
| download | bcm5719-llvm-3698ca231f06a0a710485df335d8d3e73f8adaeb.tar.gz bcm5719-llvm-3698ca231f06a0a710485df335d8d3e73f8adaeb.zip | |
Make DetectDeadLanes preserve CFG
llvm-svn: 272740
Diffstat (limited to 'llvm/lib/CodeGen/DetectDeadLanes.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/DetectDeadLanes.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/DetectDeadLanes.cpp b/llvm/lib/CodeGen/DetectDeadLanes.cpp index 2ba81c7cfe2..1d9e79c055e 100644 --- a/llvm/lib/CodeGen/DetectDeadLanes.cpp +++ b/llvm/lib/CodeGen/DetectDeadLanes.cpp @@ -65,6 +65,11 @@ public: const char *getPassName() const override { return "Detect Dead Lanes"; } + void getAnalysisUsage(AnalysisUsage &AU) const override { + AU.setPreservesCFG(); + MachineFunctionPass::getAnalysisUsage(AU); + } + private: /// Add used lane bits on the register used by operand \p MO. This translates /// the bitmask based on the operands subregister, and puts the register into |
