---
lib/Target/R600/AMDILISelDAGToDAG.cpp | 3 +++
lib/Target/R600/R600ISelLowering.cpp | 6 ++++++
2 files changed, 9 insertions(+)
diff --git a/lib/Target/R600/AMDILISelDAGToDAG.cpp
b/lib/Target/R600/AMDILISelDAGToDAG.cpp
index 567b3e2..ece26ef 100644
--- a/lib/Target/R600/AMDILISelDAGToDAG.cpp
+++ b/lib/Target/R600/AMDILISelDAGToDAG.cpp
@@ -318,6 +318,9 @@ bool AMDGPUDAGToDAGISel::FoldOperands(unsigned Opcode,
}
}
break;
+ case ISD::BITCAST:
+ Ops[OperandIdx[i] - 1] = Operand.getOperand(0);
+ return true;
default:
break;
}
diff --git a/lib/Target/R600/R600ISelLowering.cpp
b/lib/Target/R600/R600ISelLowering.cpp
index 773122b..c78a81d 100644
--- a/lib/Target/R600/R600ISelLowering.cpp
+++ b/lib/Target/R600/R600ISelLowering.cpp
@@ -991,6 +991,12 @@ SDValue R600TargetLowering::PerformDAGCombine(SDNode *N,
return Arg->getOperand(Element);
}
}
+ if (Arg.getOpcode() == ISD::BITCAST && Arg.getOperand(0).getOpcode() ==
ISD::BUILD_VECTOR) {
+ if (ConstantSDNode *Const = dyn_cast<ConstantSDNode>(N->getOperand(1))) {
+ unsigned Element = Const->getZExtValue();
+ return DAG.getNode(ISD::BITCAST, N->getDebugLoc(), N->getVTList(),
Arg->getOperand(0).getOperand(Element));
+ }
+ }
}
}
return SDValue();
--
1.8.1
_______________________________________________
mesa-dev mailing list
[email protected]
http://lists.freedesktop.org/mailman/listinfo/mesa-dev
