6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-14 11:32:34 +00:00
Code Issues Projects Releases Wiki Activity

Don't leave newly created nodes around if it turns out they are not needed.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45186 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-12-19 01:34:38 +00:00
parent 79200788df
commit 02132d62c1
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
View File

@ -1446,7 +1446,8 @@ bool DAGCombiner::SimplifyNodeWithTwoResults(SDNode *N,
TLI.isOperationLegal(LoOpt.getOpcode(), LoOpt.getValueType())) {
RetVal = true;
DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 0), LoOpt);
}
} else
DAG.DeleteNode(Lo.Val);
}
if (HiExists) {
@ -1457,7 +1458,8 @@ bool DAGCombiner::SimplifyNodeWithTwoResults(SDNode *N,
TLI.isOperationLegal(HiOpt.getOpcode(), HiOpt.getValueType())) {
RetVal = true;
DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 1), HiOpt);
}
} else
DAG.DeleteNode(Hi.Val);
}
return RetVal;