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| author | Evan Cheng <evan.cheng@apple.com> | 2008-09-10 20:08:45 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-09-10 20:08:45 +0000 |
| commit | 8d3c5719d73f12f83d424c11b996cdeaa18bc5a6 (patch) | |
| tree | 6f5f8ffa1b5dc5ab4691dc0b6e1829a249a35b99 /lib | |
| parent | a9d15b966a2219b36129b71eb5916d942e6aa672 (diff) | |
| download | external_llvm-8d3c5719d73f12f83d424c11b996cdeaa18bc5a6.zip external_llvm-8d3c5719d73f12f83d424c11b996cdeaa18bc5a6.tar.gz external_llvm-8d3c5719d73f12f83d424c11b996cdeaa18bc5a6.tar.bz2 | |
Fix PR2664 - spiller GetRegForReload wasn't respecting sub-register indices on machine operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56065 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/VirtRegMap.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp index 4fd0ad4..e783e04 100644 --- a/lib/CodeGen/VirtRegMap.cpp +++ b/lib/CodeGen/VirtRegMap.cpp @@ -832,8 +832,10 @@ namespace { } Spills.ClobberPhysReg(NewPhysReg); Spills.ClobberPhysReg(NewOp.PhysRegReused); - - MI->getOperand(NewOp.Operand).setReg(NewPhysReg); + + unsigned SubIdx = MI->getOperand(NewOp.Operand).getSubReg(); + unsigned RReg = SubIdx ? TRI->getSubReg(NewPhysReg, SubIdx) : NewPhysReg; + MI->getOperand(NewOp.Operand).setReg(RReg); Spills.addAvailable(NewOp.StackSlotOrReMat, MI, NewPhysReg); --MII; |