[PATCH] D83376: [Legalizer] Fix wrong operand in split vector helper
Qiu Chaofan via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 8 02:40:01 PDT 2020
qiucf created this revision.
qiucf added reviewers: andrew.w.kaylor, uweigand, craig.topper, kpn.
Herald added subscribers: llvm-commits, steven.zhang, hiraditya.
Herald added a project: LLVM.
It's hard to provide a test case now since vector int-to-fp isn't ready on PowerPC. But this should be easy to review. I guess it's a typo introduced in D69275 <https://reviews.llvm.org/D69275>.
It may cause an unknown segfault in `getNode`.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D83376
Files:
llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
Index: llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
===================================================================
--- llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
@@ -2610,9 +2610,9 @@
SDValue Chain;
if (N->isStrictFPOpcode()) {
HalfLo = DAG.getNode(N->getOpcode(), DL, {HalfVT, MVT::Other},
- {N->getOperand(0), HalfLo});
+ {N->getOperand(0), InLoVec});
HalfHi = DAG.getNode(N->getOpcode(), DL, {HalfVT, MVT::Other},
- {N->getOperand(0), HalfHi});
+ {N->getOperand(0), InHiVec});
// Legalize the chain result - switch anything that used the old chain to
// use the new one.
Chain = DAG.getNode(ISD::TokenFactor, DL, MVT::Other, HalfLo.getValue(1),
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