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| 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 | 7074cbd449738f10ef0c9b74deb4b6dfd3254aab (patch) | |
| tree | 379397e796b88e0863f949d15cf28f2526ee505f /llvm/lib/CodeGen/VirtRegMap.cpp | |
| parent | 9a86d6c10bb684acf5a30259c3508b0ee41db1b1 (diff) | |
| download | bcm5719-llvm-7074cbd449738f10ef0c9b74deb4b6dfd3254aab.tar.gz bcm5719-llvm-7074cbd449738f10ef0c9b74deb4b6dfd3254aab.zip | |
getOperandConstraint returns -1 if the operand does have the specific constraint. This bug was causing excessive spills.
llvm-svn: 32295
Diffstat (limited to 'llvm/lib/CodeGen/VirtRegMap.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/VirtRegMap.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/VirtRegMap.cpp b/llvm/lib/CodeGen/VirtRegMap.cpp index 359294d18e4..60a773b3b03 100644 --- a/llvm/lib/CodeGen/VirtRegMap.cpp +++ b/llvm/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()) { |
