[llvm] 4ee28b4 - [VE] Set getExtendForAtomicOps to ISD::ANY_EXTEND

[Kazushi Marukawa via llvm-commits]

Author: Kazushi (Jam) Marukawa
Date: 2021-07-19T19:58:44+09:00
New Revision: 4ee28b4fecade32e679dd96c8bd98b71085a8b14

URL: https://github.com/llvm/llvm-project/commit/4ee28b4fecade32e679dd96c8bd98b71085a8b14
DIFF: https://github.com/llvm/llvm-project/commit/4ee28b4fecade32e679dd96c8bd98b71085a8b14.diff

LOG: [VE] Set getExtendForAtomicOps to ISD::ANY_EXTEND

The implementation of subword atomics does not actually
guarantee the result is zero-extended, which now caused
failures after https://reviews.llvm.org/D101342 was landed.

Reviewed By: simoll

Differential Revision: https://reviews.llvm.org/D106225

Added: 
    

Modified: 
    llvm/lib/Target/VE/VEISelLowering.h

Removed: 
    


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diff  --git a/llvm/lib/Target/VE/VEISelLowering.h b/llvm/lib/Target/VE/VEISelLowering.h
index 883cd21a552c5..b4ce8906fd51c 100644
--- a/llvm/lib/Target/VE/VEISelLowering.h
+++ b/llvm/lib/Target/VE/VEISelLowering.h
@@ -98,6 +98,9 @@ class VETargetLowering : public TargetLowering {
                                  AtomicOrdering Ord) const override;
   TargetLoweringBase::AtomicExpansionKind
   shouldExpandAtomicRMWInIR(AtomicRMWInst *AI) const override;
+  ISD::NodeType getExtendForAtomicOps() const override {
+    return ISD::ANY_EXTEND;
+  }
 
   /// Custom Lower {
   SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override;