diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2006-12-07 00:46:04 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-12-07 00:46:04 +0000 |
| commit | 6065f66e7c3fbde299a387d8a42c2d3a57d13c38 (patch) | |
| tree | 9440dd2a4428830fa3260930bf02d7806aa0325b /lib/CodeGen/VirtRegMap.cpp | |
| parent | a091fa861987b603669d730cce7365189744ab0f (diff) | |
getOperandConstraint returns -1 if the operand does have the specific constraint. This bug was causing excessive spills.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32295 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/VirtRegMap.cpp')
| -rw-r--r-- | lib/CodeGen/VirtRegMap.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp index 359294d18e..60a773b3b0 100644 --- a/lib/CodeGen/VirtRegMap.cpp +++ b/lib/CodeGen/VirtRegMap.cpp @@ -97,7 +97,7 @@ void VirtRegMap::virtFolded(unsigned VirtReg, MachineInstr *OldMI, } ModRef MRInfo; - if (TII.getOperandConstraint(OldMI->getOpcode(), OpNo, TOI::TIED_TO)) { + if (TII.getOperandConstraint(OldMI->getOpcode(), OpNo, TOI::TIED_TO) != -1) { // Folded a two-address operand. MRInfo = isModRef; } else if (OldMI->getOperand(OpNo).isDef()) { |