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| author | Matthias Braun <matze@braunis.de> | 2016-12-16 23:55:37 +0000 |
|---|---|---|
| committer | Matthias Braun <matze@braunis.de> | 2016-12-16 23:55:37 +0000 |
| commit | 181983055f7a543a83ad424bc24b3962af50274a (patch) | |
| tree | 2e8c3d6c0d489434d4771be4ced9e8c5539a4236 /llvm/lib/CodeGen/MachineBasicBlock.cpp | |
| parent | 2dfb68821410a6cc84951bc8c2d5c232fba148b8 (diff) | |
| download | llvm-181983055f7a543a83ad424bc24b3962af50274a.zip llvm-181983055f7a543a83ad424bc24b3962af50274a.tar.gz llvm-181983055f7a543a83ad424bc24b3962af50274a.tar.bz2 | |
BranchRelaxation: Recompute live-ins when splitting a block
Factors out and reuses live-in computation code from BranchFolding.
Differential Revision: https://reviews.llvm.org/D27558
llvm-svn: 290013
Diffstat (limited to 'llvm/lib/CodeGen/MachineBasicBlock.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineBasicBlock.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineBasicBlock.cpp b/llvm/lib/CodeGen/MachineBasicBlock.cpp index fe258cd..549424d 100644 --- a/llvm/lib/CodeGen/MachineBasicBlock.cpp +++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp @@ -1288,3 +1288,7 @@ MachineBasicBlock::getEndClobberMask(const TargetRegisterInfo *TRI) const { // care what kind of return it is, putting a mask after it is a no-op. return isReturnBlock() && !succ_empty() ? TRI->getNoPreservedMask() : nullptr; } + +void MachineBasicBlock::clearLiveIns() { + LiveIns.clear(); +} |