Changes in directory llvm/lib/Target/PowerPC:
PPCISelLowering.cpp updated: 1.237 -> 1.238
---
Log message:
Fix the CodeGen/PowerPC/vec_constants.ll regression.
---
Diffs of the changes: (+9 -6)
PPCISelLowering.cpp | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
Index: llvm/lib/Target/PowerPC/PPCISelLowering.cpp
diff -u llvm/lib/Target/PowerPC/PPCISelLowering.cpp:1.237
llvm/lib/Target/PowerPC/PPCISelLowering.cpp:1.238
--- llvm/lib/Target/PowerPC/PPCISelLowering.cpp:1.237 Wed Nov 29 13:58:49 2006
+++ llvm/lib/Target/PowerPC/PPCISelLowering.cpp Thu Nov 30 19:45:39 2006
@@ -1958,13 +1958,17 @@
static SDOperand BuildSplatI(int Val, unsigned SplatSize, MVT::ValueType VT,
SelectionDAG &DAG) {
assert(Val >= -16 && Val <= 15 && "vsplti is out of range!");
-
- // Force vspltis[hw] -1 to vspltisb -1.
- if (Val == -1) SplatSize = 1;
-
+
static const MVT::ValueType VTys[] = { // canonical VT to use for each size.
MVT::v16i8, MVT::v8i16, MVT::Other, MVT::v4i32
};
+
+ MVT::ValueType ReqVT = VT != MVT::Other ? VT : VTys[SplatSize-1];
+
+ // Force vspltis[hw] -1 to vspltisb -1 to canonicalize.
+ if (Val == -1)
+ SplatSize = 1;
+
MVT::ValueType CanonicalVT = VTys[SplatSize-1];
// Build a canonical splat for this value.
@@ -1973,8 +1977,7 @@
Ops.assign(MVT::getVectorNumElements(CanonicalVT), Elt);
SDOperand Res = DAG.getNode(ISD::BUILD_VECTOR, CanonicalVT,
&Ops[0], Ops.size());
- if (VT == MVT::Other) return Res;
- return DAG.getNode(ISD::BIT_CONVERT, VT, Res);
+ return DAG.getNode(ISD::BIT_CONVERT, ReqVT, Res);
}
/// BuildIntrinsicOp - Return a binary operator intrinsic node with the
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