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| author | Bob Wilson <bob.wilson@apple.com> | 2010-12-17 01:21:12 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-12-17 01:21:12 +0000 |
| commit | bfc6904fc65434ab2216807248918d9dacafe6ee (patch) | |
| tree | df3c69b25b034e04cf7c24e21994a2a37f839ee5 /llvm/lib/CodeGen/SelectionDAG | |
| parent | 261aad8e169cd93958651be86d4c3bbb654e26c9 (diff) | |
| download | bcm5719-llvm-bfc6904fc65434ab2216807248918d9dacafe6ee.tar.gz bcm5719-llvm-bfc6904fc65434ab2216807248918d9dacafe6ee.zip | |
Fix crash compiling a QQQQ REG_SEQUENCE for a Neon vld3_lane operation.
Radar 8776599
llvm-svn: 122018
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp index 3ba8b3690ad..86f88f1f179 100644 --- a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp @@ -543,9 +543,7 @@ void InstrEmitter::EmitRegSequence(SDNode *Node, const TargetRegisterClass *TRC = MRI->getRegClass(SubReg); const TargetRegisterClass *SRC = TRI->getMatchingSuperRegClass(RC, TRC, SubIdx); - if (!SRC) - llvm_unreachable("Invalid subregister index in REG_SEQUENCE"); - if (SRC != RC) { + if (SRC && SRC != RC) { MRI->setRegClass(NewVReg, SRC); RC = SRC; } |
