diff options
| author | Chris Lattner <sabre@nondot.org> | 2005-08-30 16:56:19 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-08-30 16:56:19 +0000 |
| commit | ec176e30d655f96d75b49e620a849008bf0f63a2 (patch) | |
| tree | a2a9c322f429eb8b49e7559da5e674b72911ddc4 /lib/CodeGen | |
| parent | 5ffcd9b56c527c060b6d7c128610916f6afb507a (diff) | |
Fix a miscompile of PtrDist/bc. Sign extending bools is not the right thing,
at least tends to expose problems elsewhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23149 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 9480ed6f09..db3b33abc5 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -2011,7 +2011,10 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) { Result = DAG.getNode(ISD::UNDEF, NVT); break; case ISD::Constant: - Result = DAG.getNode(ISD::SIGN_EXTEND, NVT, Op); + if (VT != MVT::i1) + Result = DAG.getNode(ISD::SIGN_EXTEND, NVT, Op); + else + Result = DAG.getNode(ISD::ZERO_EXTEND, NVT, Op); assert(isa<ConstantSDNode>(Result) && "Didn't constant fold zext?"); break; case ISD::ConstantFP: |