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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-06-29 21:00:03 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-06-29 21:00:03 +0000 |
| commit | 8ccaad526abdf39141b11b6d480b027d73a2d2a8 (patch) | |
| tree | ce07292c963954279676172c66209af9f010ae8a /lib/CodeGen/SelectionDAG/InstrEmitter.cpp | |
| parent | bb0721680c329625f47c090f48dcafb2fe14101c (diff) | |
| download | llvm-8ccaad526abdf39141b11b6d480b027d73a2d2a8.tar.gz llvm-8ccaad526abdf39141b11b6d480b027d73a2d2a8.tar.bz2 llvm-8ccaad526abdf39141b11b6d480b027d73a2d2a8.tar.xz | |
Clear kill flags in InstrEmitter::EmitSubregNode().
When a local virtual register is made global, make sure to clear any
existing kill flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159461 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/InstrEmitter.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/InstrEmitter.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp index a57d47ffb3..f154271894 100644 --- a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp +++ b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp @@ -470,6 +470,7 @@ void InstrEmitter::EmitSubregNode(SDNode *Node, VRBase = MRI->createVirtualRegister(TRC); BuildMI(*MBB, InsertPos, Node->getDebugLoc(), TII->get(TargetOpcode::COPY), VRBase).addReg(SrcReg); + MRI->clearKillFlags(SrcReg); } else { // VReg may not support a SubIdx sub-register, and we may need to // constrain its register class or issue a COPY to a compatible register |