Remove all "cached" data from BuildVectorSDNode, preferring to retrieve
results via reference parameters.
This patch also appears to fix Evan's reported problem supplied as a
reduced bugpoint test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65426 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 8368380..6af60da 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -3171,16 +3171,16 @@
BuildVectorSDNode *BVN = dyn_cast<BuildVectorSDNode>(Op.getNode());
assert(BVN != 0 && "Expected a BuildVectorSDNode in LowerBUILD_VECTOR");
+ uint64_t SplatBits;
+ uint64_t SplatUndef;
+ unsigned SplatSize;
+ bool HasAnyUndefs;
+
// If this is a splat (repetition) of a value across the whole vector, return
// the smallest size that splats it. For example, "0x01010101010101..." is a
// splat of 0x01, 0x0101, and 0x01010101. We return SplatBits = 0x01 and
// SplatSize = 1 byte.
- if (BVN->isConstantSplat()) {
- uint64_t SplatBits = BVN->getSplatBits();
- uint64_t SplatUndef = BVN->getSplatUndef();
- unsigned SplatSize = BVN->getSplatSize();
- bool HasAnyUndefs = BVN->hasAnyUndefBits();
-
+ if (BVN->isConstantSplat(HasAnyUndefs, SplatBits, SplatUndef, SplatSize)) {
// First, handle single instruction cases.
// All zeros?