6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-09-24 23:28:41 +00:00
Code Issues Projects Releases Wiki Activity

Remove all "cached" data from BuildVectorSDNode, preferring to retrieve

Browse Source 
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
This commit is contained in:
Scott Michel
2009-02-25 03:12:50 +00:00
parent 0d52ff1f7b
commit df38043a46
3 changed files with 29 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
lib/Target/PowerPC/PPCISelLowering.cpp
View File

@@ -3171,16 +3171,16 @@ SDValue PPCTargetLowering::LowerBUILD_VECTOR(SDValue Op,
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?