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-rw-r--r--llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp6
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>(
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