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| author | Chris Lattner <sabre@nondot.org> | 2009-04-09 16:50:43 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-04-09 16:50:43 +0000 |
| commit | a725028d41bd1c339dfc75de9e8c98d2e3987155 (patch) | |
| tree | e594fde9bb9294814604d668455bbaf55de74c9c /llvm/lib | |
| parent | f8cb51c20e48e5fb8d3b40238057b0249c3c4d27 (diff) | |
| download | bcm5719-llvm-a725028d41bd1c339dfc75de9e8c98d2e3987155.tar.gz bcm5719-llvm-a725028d41bd1c339dfc75de9e8c98d2e3987155.zip | |
reg0 references are not real registers. This fixes a crash on the
attached testcase.
llvm-svn: 68712
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/MachineInstr.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp index 965c2a2c5d2..ade8683ec79 100644 --- a/llvm/lib/CodeGen/MachineInstr.cpp +++ b/llvm/lib/CodeGen/MachineInstr.cpp @@ -739,7 +739,7 @@ bool MachineInstr::isRegReDefinedByTwoAddr(unsigned DefIdx) const{ bool MachineInstr::isRegTiedToDefOperand(unsigned UseOpIdx, unsigned *DefOpIdx){ if (getOpcode() == TargetInstrInfo::INLINEASM) { const MachineOperand &MO = getOperand(UseOpIdx); - if (!MO.isReg() || !MO.isUse()) + if (!MO.isReg() || !MO.isUse() || MO.getReg() == 0) return false; assert(UseOpIdx > 0); const MachineOperand &UFMO = getOperand(UseOpIdx-1); |
