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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-05-30 18:38:56 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-05-30 18:38:56 +0000 |
| commit | 3a48c064568bd1a3ec8dd0b4c3e8982d61068f39 (patch) | |
| tree | 31bc41b60c86da5cfab9969b5e668c07fc0f5f0c /llvm/lib/CodeGen/MachineInstr.cpp | |
| parent | 50b26ebb2bec589885c011ca2eb771abe2bb9dd7 (diff) | |
| download | llvm-3a48c064568bd1a3ec8dd0b4c3e8982d61068f39.zip llvm-3a48c064568bd1a3ec8dd0b4c3e8982d61068f39.tar.gz llvm-3a48c064568bd1a3ec8dd0b4c3e8982d61068f39.tar.bz2 | |
Remove some redundant tests.
An empty list is not represented as a null pointer. Let TRI do its own
shortcuts.
llvm-svn: 157702
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstr.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineInstr.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp index 9cffc6d..59b0e65 100644 --- a/llvm/lib/CodeGen/MachineInstr.cpp +++ b/llvm/lib/CodeGen/MachineInstr.cpp @@ -1766,9 +1766,7 @@ bool MachineInstr::addRegisterDead(unsigned IncomingReg, // There exists a super-register that's marked dead. if (RegInfo->isSuperRegister(IncomingReg, Reg)) return true; - if (RegInfo->getSubRegisters(IncomingReg) && - RegInfo->getSuperRegisters(Reg) && - RegInfo->isSubRegister(IncomingReg, Reg)) + if (RegInfo->isSubRegister(IncomingReg, Reg)) DeadOps.push_back(i); } } |