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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 | 495de3b783c239b4b3244a1e739b2a5b82561b1b (patch) | |
| tree | 1a8aaad24bf4130bb12674ee0c1c59050d954feb /lib/CodeGen/SelectionDAG/InstrEmitter.cpp | |
| parent | a1f544b62e5d9eae0311dfb3a0b0e72f25e041d4 (diff) | |
| download | llvm-495de3b783c239b4b3244a1e739b2a5b82561b1b.tar.gz llvm-495de3b783c239b4b3244a1e739b2a5b82561b1b.tar.bz2 llvm-495de3b783c239b4b3244a1e739b2a5b82561b1b.tar.xz | |
Fix crash compiling a QQQQ REG_SEQUENCE for a Neon vld3_lane operation.
Radar 8776599
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122018 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/InstrEmitter.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/InstrEmitter.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp index 3ba8b3690a..86f88f1f17 100644 --- a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp +++ b/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; } |