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| author | Justin Holewinski <jholewinski@nvidia.com> | 2013-05-30 12:22:39 +0000 |
|---|---|---|
| committer | Justin Holewinski <jholewinski@nvidia.com> | 2013-05-30 12:22:39 +0000 |
| commit | 994d66a345819d0bf6499589ba40beda73633fad (patch) | |
| tree | 446c32ffee44549adf3ff6bcdb8b2591566c7519 /llvm/lib | |
| parent | 2714ba03f6da42f7e0d56353ea7cebf6225f9f15 (diff) | |
| download | bcm5719-llvm-994d66a345819d0bf6499589ba40beda73633fad.tar.gz bcm5719-llvm-994d66a345819d0bf6499589ba40beda73633fad.zip | |
[NVPTX] Fix case where a sext load of an i1 type may produce an
ld.u1 instead of an ld.u8.
llvm-svn: 182924
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp b/llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp index 120d7161067..40871d6d2d4 100644 --- a/llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp +++ b/llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp @@ -205,7 +205,8 @@ SDNode *NVPTXDAGToDAGISel::SelectLoad(SDNode *N) { // type is integer // Float : ISD::NON_EXTLOAD or ISD::EXTLOAD and the type is float MVT ScalarVT = SimpleVT.getScalarType(); - unsigned fromTypeWidth = ScalarVT.getSizeInBits(); + // Read at least 8 bits (predicates are stored as 8-bit values) + unsigned fromTypeWidth = std::max(8U, ScalarVT.getSizeInBits()); unsigned int fromType; if ((LD->getExtensionType() == ISD::SEXTLOAD)) fromType = NVPTX::PTXLdStInstCode::Signed; @@ -430,7 +431,8 @@ SDNode *NVPTXDAGToDAGISel::SelectLoadVector(SDNode *N) { // type is integer // Float : ISD::NON_EXTLOAD or ISD::EXTLOAD and the type is float MVT ScalarVT = SimpleVT.getScalarType(); - unsigned FromTypeWidth = ScalarVT.getSizeInBits(); + // Read at least 8 bits (predicates are stored as 8-bit values) + unsigned FromTypeWidth = std::max(8U, ScalarVT.getSizeInBits()); unsigned int FromType; // The last operand holds the original LoadSDNode::getExtensionType() value unsigned ExtensionType = cast<ConstantSDNode>( |
