6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-11-04 22:07:27 +00:00
Code Issues Projects Releases Wiki Activity

Fix a potential bug that can cause miscomparison with and without debug info.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114220 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2010-09-17 21:56:26 +00:00
parent 38cb1cdfb7
commit f437f73348
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/CodeGen/MachineCSE.cpp
View File

@ -101,7 +101,7 @@ bool MachineCSE::PerformTrivialCoalescing(MachineInstr *MI,
unsigned Reg = MO.getReg();
if (!Reg || TargetRegisterInfo::isPhysicalRegister(Reg))
continue;
if (!MRI->hasOneUse(Reg))
if (!MRI->hasOneNonDBGUse(Reg))
// Only coalesce single use copies. This ensure the copy will be
// deleted.
continue;