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| 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 | 9a4ad487f03d4be71ac7ee13764b6a6852226534 (patch) | |
| tree | bbfaf3d9183fa46cc146b738b08509c3d3ed7c4e /llvm/lib/CodeGen | |
| parent | a3da8c4819cbdf8f0edabfc56749f600181baf4a (diff) | |
| download | bcm5719-llvm-9a4ad487f03d4be71ac7ee13764b6a6852226534.tar.gz bcm5719-llvm-9a4ad487f03d4be71ac7ee13764b6a6852226534.zip | |
Fix a miscompile of PtrDist/bc. Sign extending bools is not the right thing,
at least tends to expose problems elsewhere.
llvm-svn: 23149
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 9480ed6f096..db3b33abc51 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/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: |
