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Prevent x86-specific DAGCombine from creating nodes with illegal type (which could not be selected). Fixes a minor isel issue that was breaking the testcase from r136130.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136148 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-07-26 21:02:58 +00:00
parent bfe3686aee
commit 61cc47e15d
2 changed files with 3 additions and 3 deletions
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3
lib/Target/X86/X86ISelLowering.cpp
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@ -4520,7 +4520,8 @@ static SDValue EltsFromConsecutiveLoads(EVT VT, SmallVectorImpl<SDValue> &Elts,
LDBase->getPointerInfo(),
LDBase->isVolatile(), LDBase->isNonTemporal(),
LDBase->getAlignment());
} else if (NumElems == 4 && LastLoadedElt == 1) {
} else if (NumElems == 4 && LastLoadedElt == 1 &&
DAG.getTargetLoweringInfo().isTypeLegal(MVT::v2i64)) {
SDVTList Tys = DAG.getVTList(MVT::v2i64, MVT::Other);
SDValue Ops[] = { LDBase->getChain(), LDBase->getBasePtr() };
SDValue ResNode = DAG.getMemIntrinsicNode(X86ISD::VZEXT_LOAD, DL, Tys,

3
test/CodeGen/X86/split-vector-bitcast.ll
View File

@ -1,7 +1,6 @@
; RUN: llc < %s -march=x86 -mattr=-sse2,+sse | grep addps
; XFAIL: *
; PR10497
; PR10497 + another isel issue with sse2 disabled
; (This is primarily checking that this construct doesn't crash.)
define void @a(<2 x float>* %a, <2 x i32>* %b) {
%cc = load <2 x float>* %a