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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 | 275fd2523edd30e75af6398c25d47e94cc32f150 (patch) | |
| tree | 0e20dc592aaeff6dcdbbd8587038a6763c167300 /lib/CodeGen/MachineInstr.cpp | |
| parent | 6cf07a80ff5ee8ef7dc336f954aae17c7e8d83d4 (diff) | |
| download | llvm-275fd2523edd30e75af6398c25d47e94cc32f150.tar.gz llvm-275fd2523edd30e75af6398c25d47e94cc32f150.tar.bz2 llvm-275fd2523edd30e75af6398c25d47e94cc32f150.tar.xz | |
Remove some redundant tests.
An empty list is not represented as a null pointer. Let TRI do its own
shortcuts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157702 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineInstr.cpp')
| -rw-r--r-- | lib/CodeGen/MachineInstr.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp index 9cffc6d955..59b0e654a7 100644 --- a/lib/CodeGen/MachineInstr.cpp +++ b/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); } } |