6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-09-13 23:25:06 +00:00
Code Issues Projects Releases Wiki Activity

Revert "SLPVectorizer: Don't vectorize volatile memory operations"

Browse Source 
This speculatively reverts commit 192799. It might have broken a linux buildbot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192816 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Arnold Schwaighofer
2013-10-16 17:19:40 +00:00
parent a4f468f245
commit 48320e0de7
2 changed files with 3 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
lib/Transforms/Vectorize/SLPVectorizer.cpp
View File

@@ -786,14 +786,13 @@ void BoUpSLP::buildTree_rec(ArrayRef<Value *> VL, unsigned Depth) {
}
case Instruction::Load: {
// Check if the loads are consecutive or of we need to swizzle them.
for (unsigned i = 0, e = VL.size() - 1; i < e; ++i) {
LoadInst *L = cast<LoadInst>(VL[i]);
if (!L->isSimple() || !isConsecutiveAccess(VL[i], VL[i + 1])) {
for (unsigned i = 0, e = VL.size() - 1; i < e; ++i)
if (!isConsecutiveAccess(VL[i], VL[i + 1])) {
newTreeEntry(VL, false);
DEBUG(dbgs() << "SLP: Need to swizzle loads.\n");
return;
}
}
newTreeEntry(VL, true);
DEBUG(dbgs() << "SLP: added a vector of loads.\n");
return;
@@ -1912,10 +1911,6 @@ unsigned SLPVectorizer::collectStores(BasicBlock *BB, BoUpSLP &R) {
if (!SI)
continue;
// Don't touch volatile stores.
if (!SI->isSimple())
continue;
// Check that the pointer points to scalars.
Type *Ty = SI->getValueOperand()->getType();
if (Ty->isAggregateType() || Ty->isVectorTy())