[PATCH] D95699: [GlobalISel] Disable vector types in narrowScalarAddSub
Cassie Jones via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Jan 29 22:21:25 PST 2021
porglezomp updated this revision to Diff 320279.
porglezomp added a comment.
Use a temporary variable for the destination register/type
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D95699/new/
https://reviews.llvm.org/D95699
Files:
llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
Index: llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
===================================================================
--- llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -4447,7 +4447,13 @@
if (TypeIdx != 0)
return UnableToLegalize;
- uint64_t SizeOp0 = MRI.getType(MI.getOperand(0).getReg()).getSizeInBits();
+ Register DstReg = MI.getOperand(0).getReg();
+ LLT DstType = MRI.getType(DstReg);
+ // FIXME: add support for vector types
+ if (DstType.isVector())
+ return UnableToLegalize;
+
+ uint64_t SizeOp0 = DstType.getSizeInBits();
uint64_t NarrowSize = NarrowTy.getSizeInBits();
// FIXME: add support for when SizeOp0 isn't an exact multiple of
@@ -4492,11 +4498,7 @@
DstRegs.push_back(DstReg);
CarryIn = CarryOut;
}
- Register DstReg = MI.getOperand(0).getReg();
- if (MRI.getType(DstReg).isVector())
- MIRBuilder.buildBuildVector(DstReg, DstRegs);
- else
- MIRBuilder.buildMerge(DstReg, DstRegs);
+ MIRBuilder.buildMerge(DstReg, DstRegs);
MI.eraseFromParent();
return Legalized;
}
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