diff options
| author | Chris Lattner <sabre@nondot.org> | 2005-01-18 21:57:59 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-01-18 21:57:59 +0000 |
| commit | 42993e45b64889cc09f1ae1c14ecd7585593340f (patch) | |
| tree | 7f71780f3046cbf73e9e128ab2ac0b0fceab1f4c /llvm/lib/CodeGen | |
| parent | 14947c34cc755071a5952e24d19449056784e05c (diff) | |
| download | bcm5719-llvm-42993e45b64889cc09f1ae1c14ecd7585593340f.tar.gz bcm5719-llvm-42993e45b64889cc09f1ae1c14ecd7585593340f.zip | |
Zero is cheaper than sign extend.
llvm-svn: 19675
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 8c6c10d583d..52e723a57e5 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -793,7 +793,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case ISD::SIGN_EXTEND: Result = PromoteOp(Node->getOperand(0)); // NOTE: Any extend would work here... - Result = DAG.getNode(ISD::SIGN_EXTEND, Op.getValueType(), Result); + Result = DAG.getNode(ISD::ZERO_EXTEND, Op.getValueType(), Result); Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), Result, Node->getOperand(0).getValueType()); break; |
