Index: llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp =================================================================== --- llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp +++ llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp @@ -879,7 +879,8 @@ return true; } - + const MDNode *Ranges = + Regs.size() == 1 ? LI.getMetadata(LLVMContext::MD_range) : nullptr; for (unsigned i = 0; i < Regs.size(); ++i) { Register Addr; MIRBuilder.materializeGEP(Addr, Base, OffsetTy, Offsets[i] / 8); @@ -888,7 +889,7 @@ unsigned BaseAlign = getMemOpAlignment(LI); auto MMO = MF->getMachineMemOperand( Ptr, Flags, (MRI->getType(Regs[i]).getSizeInBits() + 7) / 8, - MinAlign(BaseAlign, Offsets[i] / 8), AAMDNodes(), nullptr, + MinAlign(BaseAlign, Offsets[i] / 8), AAMDNodes(), Ranges, LI.getSyncScopeID(), LI.getOrdering()); MIRBuilder.buildLoad(Regs[i], Addr, *MMO); } Index: llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll =================================================================== --- llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll +++ llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll @@ -351,7 +351,9 @@ ; CHECK: [[SUM2:%.*]]:_(s64) = G_ADD [[VAL1]], [[VAL2]] ; CHECK: [[VAL3:%[0-9]+]]:_(s64) = G_LOAD [[ADDR]](p0) :: (volatile load 8 from %ir.addr) ; CHECK: [[SUM3:%[0-9]+]]:_(s64) = G_ADD [[SUM2]], [[VAL3]] -; CHECK: $x0 = COPY [[SUM3]] +; CHECK: [[VAL4:%[0-9]+]]:_(s64) = G_LOAD [[ADDR]](p0) :: (load 8 from %ir.addr, !range !0) +; CHECK: [[SUM4:%[0-9]+]]:_(s64) = G_ADD [[SUM3]], [[VAL4]] +; CHECK: $x0 = COPY [[SUM4]] ; CHECK: RET_ReallyLR implicit $x0 define i64 @load(i64* %addr, i64 addrspace(42)* %addr42) { %val1 = load i64, i64* %addr, align 16 @@ -361,7 +363,10 @@ %val3 = load volatile i64, i64* %addr %sum3 = add i64 %sum2, %val3 - ret i64 %sum3 + + %val4 = load i64, i64* %addr, !range !0 + %sum4 = add i64 %sum3, %val4 + ret i64 %sum4 } ; CHECK-LABEL: name: store @@ -2334,3 +2339,5 @@ call void @llvm.var.annotation(i8* %0, i8* %1, i8* %2, i32 %3) ret void } + +!0 = !{ i64 0, i64 2 }