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[CodeGen] Fix MachineMemOperand Size of MaskedLoad (#156398)

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Fix MIR printing unknown-size issue of MaskedLoad.
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Wei Xiao 2026-01-30 02:37:49 +08:00 committed by GitHub
parent 830236204e
commit ea251669ba
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GPG Key ID: B5690EEEBB952194
2 changed files with 3 additions and 3 deletions
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2
llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -5099,7 +5099,7 @@ void SelectionDAGBuilder::visitMaskedLoad(const CallInst &I, bool IsExpanding) {
MachineMemOperand *MMO = DAG.getMachineFunction().getMachineMemOperand(
MachinePointerInfo(PtrOperand), MMOFlags,
LocationSize::beforeOrAfterPointer(), Alignment, AAInfo, Ranges);
VT.getStoreSize(), Alignment, AAInfo, Ranges);
const auto &TLI = DAG.getTargetLoweringInfo();

4
llvm/test/CodeGen/X86/masked_expandload_isel.ll
View File

@ -10,7 +10,7 @@ define <8 x i16> @_Z3fooiPiPs(<8 x i16> %src, <8 x i1> %mask) #0 {
; CHECK-NEXT: [[COPY1:%[0-9]+]]:vr128x = COPY $xmm0
; CHECK-NEXT: [[VPSLLWZ128ri:%[0-9]+]]:vr128x = VPSLLWZ128ri [[COPY]], 15
; CHECK-NEXT: [[VPMOVW2MZ128kr:%[0-9]+]]:vk16wm = VPMOVW2MZ128kr killed [[VPSLLWZ128ri]]
; CHECK-NEXT: [[VPEXPANDWZ128rmk:%[0-9]+]]:vr128x = VPEXPANDWZ128rmk [[COPY1]], killed [[VPMOVW2MZ128kr]], $noreg, 1, $noreg, 0, $noreg :: (load unknown-size from `ptr null`, align 1)
; CHECK-NEXT: [[VPEXPANDWZ128rmk:%[0-9]+]]:vr128x = VPEXPANDWZ128rmk [[COPY1]], killed [[VPMOVW2MZ128kr]], $noreg, 1, $noreg, 0, $noreg :: (load (s128) from `ptr null`, align 1)
; CHECK-NEXT: $xmm0 = COPY [[VPEXPANDWZ128rmk]]
; CHECK-NEXT: RET 0, $xmm0
entry:
@ -27,7 +27,7 @@ define <8 x i16> @_Z3foo2iPiPs(<8 x i16> %src, <8 x i1> %mask) #0 {
; CHECK-NEXT: [[COPY1:%[0-9]+]]:vr128x = COPY $xmm0
; CHECK-NEXT: [[VPSLLWZ128ri:%[0-9]+]]:vr128x = VPSLLWZ128ri [[COPY]], 15
; CHECK-NEXT: [[VPMOVW2MZ128kr:%[0-9]+]]:vk16wm = VPMOVW2MZ128kr killed [[VPSLLWZ128ri]]
; CHECK-NEXT: [[VPEXPANDWZ128rmk:%[0-9]+]]:vr128x = VPEXPANDWZ128rmk [[COPY1]], killed [[VPMOVW2MZ128kr]], $noreg, 1, $noreg, 0, $noreg :: (load unknown-size from `ptr null`, align 16)
; CHECK-NEXT: [[VPEXPANDWZ128rmk:%[0-9]+]]:vr128x = VPEXPANDWZ128rmk [[COPY1]], killed [[VPMOVW2MZ128kr]], $noreg, 1, $noreg, 0, $noreg :: (load (s128) from `ptr null`)
; CHECK-NEXT: $xmm0 = COPY [[VPEXPANDWZ128rmk]]
; CHECK-NEXT: RET 0, $xmm0
entry: