unsigned DstReg = MRI.createGenericVirtualRegister(NarrowTy);
unsigned SrcReg = 0;
unsigned Adjustment = i * NarrowSize / 8;
+ unsigned Alignment = MinAlign(MMO.getAlignment(), Adjustment);
MachineMemOperand *SplitMMO = MIRBuilder.getMF().getMachineMemOperand(
MMO.getPointerInfo().getWithOffset(Adjustment), MMO.getFlags(),
- NarrowSize / 8, i == 0 ? MMO.getAlignment() : NarrowSize / 8,
- MMO.getAAInfo(), MMO.getRanges(), MMO.getSyncScopeID(),
- MMO.getOrdering(), MMO.getFailureOrdering());
+ NarrowSize / 8, Alignment, MMO.getAAInfo(), MMO.getRanges(),
+ MMO.getSyncScopeID(), MMO.getOrdering(), MMO.getFailureOrdering());
MIRBuilder.materializeGEP(SrcReg, MI.getOperand(1).getReg(), OffsetTy,
Adjustment);
for (int i = 0; i < NumParts; ++i) {
unsigned DstReg = 0;
unsigned Adjustment = i * NarrowSize / 8;
+ unsigned Alignment = MinAlign(MMO.getAlignment(), Adjustment);
MachineMemOperand *SplitMMO = MIRBuilder.getMF().getMachineMemOperand(
MMO.getPointerInfo().getWithOffset(Adjustment), MMO.getFlags(),
- NarrowSize / 8, i == 0 ? MMO.getAlignment() : NarrowSize / 8,
- MMO.getAAInfo(), MMO.getRanges(), MMO.getSyncScopeID(),
- MMO.getOrdering(), MMO.getFailureOrdering());
+ NarrowSize / 8, Alignment, MMO.getAAInfo(), MMO.getRanges(),
+ MMO.getSyncScopeID(), MMO.getOrdering(), MMO.getFailureOrdering());
MIRBuilder.materializeGEP(DstReg, MI.getOperand(1).getReg(), OffsetTy,
Adjustment);
--- /dev/null
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=aarch64 -o - -run-pass=legalizer %s | FileCheck %s
+---
+name: loadstore128_align4
+exposesReturnsTwice: false
+legalized: false
+tracksRegLiveness: true
+body: |
+ bb.1:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: loadstore128_align4
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
+ ; CHECK: [[COPY1:%[0-9]+]]:_(p0) = COPY $x1
+ ; CHECK: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[COPY]](p0) :: (load 8, align 4)
+ ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
+ ; CHECK: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[COPY]], [[C]](s64)
+ ; CHECK: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[GEP]](p0) :: (load 8, align 4)
+ ; CHECK: G_STORE [[LOAD]](s64), [[COPY1]](p0) :: (store 8, align 4)
+ ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
+ ; CHECK: [[GEP1:%[0-9]+]]:_(p0) = G_GEP [[COPY1]], [[C1]](s64)
+ ; CHECK: G_STORE [[LOAD1]](s64), [[GEP1]](p0) :: (store 8, align 4)
+ ; CHECK: RET_ReallyLR
+ %0:_(p0) = COPY $x0
+ %1:_(p0) = COPY $x1
+ %2:_(s128) = G_LOAD %0(p0) :: (load 16, align 4)
+ G_STORE %2(s128), %1(p0) :: (store 16, align 4)
+ RET_ReallyLR
+
+...