6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-04-11 00:39:36 +00:00
Code Issues Projects Releases Wiki Activity

Skip over zero registers.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63748 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-02-04 18:18:58 +00:00
parent 45f3683547
commit 6792e90fec
1 changed files with 2 additions and 0 deletions

2
lib/CodeGen/SimpleRegisterCoalescing.cpp

@ -2449,6 +2449,8 @@ bool SimpleRegisterCoalescing::runOnMachineFunction(MachineFunction &fn) {
if (!MO.isReg())
continue;
unsigned Reg = MO.getReg();
if (!Reg)
continue;
if (TargetRegisterInfo::isVirtualRegister(Reg))
DeadDefs.push_back(Reg);
if (MO.isDead())