# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s --- | target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" target triple = "arm64-apple-darwin" define void @test_memcpy1(i32* nocapture %dst, i32* nocapture readonly %src, i64 %len) local_unnamed_addr #0 { entry: %0 = bitcast i32* %dst to i8* %1 = bitcast i32* %src to i8* tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %0, i8* align 4 %1, i64 %len, i1 false) ret void } declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1 immarg) #1 declare void @llvm.memcpy.p1i8.p2i8.i64(i8 addrspace(1)* nocapture writeonly, i8 addrspace(2)* nocapture readonly, i64, i1 immarg) #1 define void @test_memcpy2_const(i32* nocapture %dst, i32* nocapture readonly %src) local_unnamed_addr #0 { entry: %0 = bitcast i32* %dst to i8* %1 = bitcast i32* %src to i8* tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %0, i8* align 4 %1, i64 72, i1 false) ret void } define void @test_memcpy2_const_optsize(i32* nocapture %dst, i32* nocapture readonly %src) local_unnamed_addr #2 { entry: %0 = bitcast i32* %dst to i8* %1 = bitcast i32* %src to i8* tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %0, i8* align 4 %1, i64 72, i1 false) ret void } define void @test_memcpy2_const_minsize(i32* nocapture %dst, i32* nocapture readonly %src) local_unnamed_addr #3 { entry: %0 = bitcast i32* %dst to i8* %1 = bitcast i32* %src to i8* tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %0, i8* align 4 %1, i64 72, i1 false) ret void } define void @test_memcpy3_const_arrays_unaligned(i32* nocapture %dst, i32* nocapture readonly %src) local_unnamed_addr #0 { entry: %0 = bitcast i32* %dst to i8* %1 = bitcast i32* %src to i8* tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %0, i8* align 4 %1, i64 143, i1 false) ret void } define void @test_memcpy_addrspace(i32 addrspace(1)* nocapture %dst, i32 addrspace(2)* nocapture readonly %src) local_unnamed_addr #0 { entry: %0 = bitcast i32 addrspace(1)* %dst to i8 addrspace(1)* %1 = bitcast i32 addrspace(2)* %src to i8 addrspace(2)* tail call void @llvm.memcpy.p1i8.p2i8.i64(i8 addrspace(1)* align 4 %0, i8 addrspace(2)* align 4 %1, i64 72, i1 false) ret void } attributes #0 = { nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="cyclone" "target-features"="+aes,+crypto,+fp-armv8,+neon,+sha2,+zcm,+zcz" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { argmemonly nounwind } attributes #2 = { optsize } attributes #3 = { minsize } ... --- name: test_memcpy1 alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } machineFunctionInfo: {} body: | bb.1.entry: liveins: $x0, $x1, $x2 ; CHECK-LABEL: name: test_memcpy1 ; CHECK: liveins: $x0, $x1, $x2 ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 ; CHECK: [[COPY1:%[0-9]+]]:_(p0) = COPY $x1 ; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2 ; CHECK: G_MEMCPY [[COPY]](p0), [[COPY1]](p0), [[COPY2]](s64), 1 :: (store (s8) into %ir.0, align 4), (load (s8) from %ir.1, align 4) ; CHECK: RET_ReallyLR %0:_(p0) = COPY $x0 %1:_(p0) = COPY $x1 %2:_(s64) = COPY $x2 G_MEMCPY %0(p0), %1(p0), %2(s64), 1 :: (store (s8) into %ir.0, align 4), (load (s8) from %ir.1, align 4) RET_ReallyLR ... --- name: test_memcpy2_const alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } machineFunctionInfo: {} body: | bb.1.entry: liveins: $x0, $x1 ; CHECK-LABEL: name: test_memcpy2_const ; CHECK: liveins: $x0, $x1 ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 ; CHECK: [[COPY1:%[0-9]+]]:_(p0) = COPY $x1 ; CHECK: [[LOAD:%[0-9]+]]:_(s128) = G_LOAD [[COPY1]](p0) :: (load (s128) from %ir.1, align 4) ; CHECK: G_STORE [[LOAD]](s128), [[COPY]](p0) :: (store (s128) into %ir.0, align 4) ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16 ; CHECK: [[GEP:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C]](s64) ; CHECK: [[LOAD1:%[0-9]+]]:_(s128) = G_LOAD [[GEP]](p0) :: (load (s128) from %ir.1 + 16, align 4) ; CHECK: [[GEP1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64) ; CHECK: G_STORE [[LOAD1]](s128), [[GEP1]](p0) :: (store (s128) into %ir.0 + 16, align 4) ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32 ; CHECK: [[GEP2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C1]](s64) ; CHECK: [[LOAD2:%[0-9]+]]:_(s128) = G_LOAD [[GEP2]](p0) :: (load (s128) from %ir.1 + 32, align 4) ; CHECK: [[GEP3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64) ; CHECK: G_STORE [[LOAD2]](s128), [[GEP3]](p0) :: (store (s128) into %ir.0 + 32, align 4) ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 48 ; CHECK: [[GEP4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C2]](s64) ; CHECK: [[LOAD3:%[0-9]+]]:_(s128) = G_LOAD [[GEP4]](p0) :: (load (s128) from %ir.1 + 48, align 4) ; CHECK: [[GEP5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64) ; CHECK: G_STORE [[LOAD3]](s128), [[GEP5]](p0) :: (store (s128) into %ir.0 + 48, align 4) ; CHECK: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 64 ; CHECK: [[GEP6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C3]](s64) ; CHECK: [[LOAD4:%[0-9]+]]:_(s64) = G_LOAD [[GEP6]](p0) :: (load (s64) from %ir.1 + 64, align 4) ; CHECK: [[GEP7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64) ; CHECK: G_STORE [[LOAD4]](s64), [[GEP7]](p0) :: (store (s64) into %ir.0 + 64, align 4) ; CHECK: RET_ReallyLR %0:_(p0) = COPY $x0 %1:_(p0) = COPY $x1 %2:_(s64) = G_CONSTANT i64 72 G_MEMCPY %0(p0), %1(p0), %2(s64), 1 :: (store (s8) into %ir.0, align 4), (load (s8) from %ir.1, align 4) RET_ReallyLR ... --- name: test_memcpy2_const_optsize alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } machineFunctionInfo: {} body: | bb.1.entry: liveins: $x0, $x1 ; CHECK-LABEL: name: test_memcpy2_const_optsize ; CHECK: liveins: $x0, $x1 ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 ; CHECK: [[COPY1:%[0-9]+]]:_(p0) = COPY $x1 ; CHECK: [[LOAD:%[0-9]+]]:_(s128) = G_LOAD [[COPY1]](p0) :: (load (s128) from %ir.1, align 4) ; CHECK: G_STORE [[LOAD]](s128), [[COPY]](p0) :: (store (s128) into %ir.0, align 4) ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16 ; CHECK: [[GEP:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C]](s64) ; CHECK: [[LOAD1:%[0-9]+]]:_(s128) = G_LOAD [[GEP]](p0) :: (load (s128) from %ir.1 + 16, align 4) ; CHECK: [[GEP1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64) ; CHECK: G_STORE [[LOAD1]](s128), [[GEP1]](p0) :: (store (s128) into %ir.0 + 16, align 4) ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32 ; CHECK: [[GEP2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C1]](s64) ; CHECK: [[LOAD2:%[0-9]+]]:_(s128) = G_LOAD [[GEP2]](p0) :: (load (s128) from %ir.1 + 32, align 4) ; CHECK: [[GEP3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64) ; CHECK: G_STORE [[LOAD2]](s128), [[GEP3]](p0) :: (store (s128) into %ir.0 + 32, align 4) ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 48 ; CHECK: [[GEP4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C2]](s64) ; CHECK: [[LOAD3:%[0-9]+]]:_(s128) = G_LOAD [[GEP4]](p0) :: (load (s128) from %ir.1 + 48, align 4) ; CHECK: [[GEP5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64) ; CHECK: G_STORE [[LOAD3]](s128), [[GEP5]](p0) :: (store (s128) into %ir.0 + 48, align 4) ; CHECK: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 64 ; CHECK: [[GEP6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C3]](s64) ; CHECK: [[LOAD4:%[0-9]+]]:_(s64) = G_LOAD [[GEP6]](p0) :: (load (s64) from %ir.1 + 64, align 4) ; CHECK: [[GEP7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64) ; CHECK: G_STORE [[LOAD4]](s64), [[GEP7]](p0) :: (store (s64) into %ir.0 + 64, align 4) ; CHECK: RET_ReallyLR %0:_(p0) = COPY $x0 %1:_(p0) = COPY $x1 %2:_(s64) = G_CONSTANT i64 72 G_MEMCPY %0(p0), %1(p0), %2(s64), 1 :: (store (s8) into %ir.0, align 4), (load (s8) from %ir.1, align 4) RET_ReallyLR ... --- name: test_memcpy2_const_minsize alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } machineFunctionInfo: {} body: | bb.1.entry: liveins: $x0, $x1 ; CHECK-LABEL: name: test_memcpy2_const_minsize ; CHECK: liveins: $x0, $x1 ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 ; CHECK: [[COPY1:%[0-9]+]]:_(p0) = COPY $x1 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 72 ; CHECK: G_MEMCPY [[COPY]](p0), [[COPY1]](p0), [[C]](s64), 1 :: (store (s8) into %ir.0, align 4), (load (s8) from %ir.1, align 4) ; CHECK: RET_ReallyLR %0:_(p0) = COPY $x0 %1:_(p0) = COPY $x1 %2:_(s64) = G_CONSTANT i64 72 G_MEMCPY %0(p0), %1(p0), %2(s64), 1 :: (store (s8) into %ir.0, align 4), (load (s8) from %ir.1, align 4) RET_ReallyLR ... --- name: test_memcpy3_const_arrays_unaligned alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } machineFunctionInfo: {} body: | bb.1.entry: liveins: $x0, $x1 ; CHECK-LABEL: name: test_memcpy3_const_arrays_unaligned ; CHECK: liveins: $x0, $x1 ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 ; CHECK: [[COPY1:%[0-9]+]]:_(p0) = COPY $x1 ; CHECK: [[LOAD:%[0-9]+]]:_(s128) = G_LOAD [[COPY1]](p0) :: (load (s128) from %ir.1, align 4) ; CHECK: G_STORE [[LOAD]](s128), [[COPY]](p0) :: (store (s128) into %ir.0, align 4) ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16 ; CHECK: [[GEP:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C]](s64) ; CHECK: [[LOAD1:%[0-9]+]]:_(s128) = G_LOAD [[GEP]](p0) :: (load (s128) from %ir.1 + 16, align 4) ; CHECK: [[GEP1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64) ; CHECK: G_STORE [[LOAD1]](s128), [[GEP1]](p0) :: (store (s128) into %ir.0 + 16, align 4) ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32 ; CHECK: [[GEP2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C1]](s64) ; CHECK: [[LOAD2:%[0-9]+]]:_(s128) = G_LOAD [[GEP2]](p0) :: (load (s128) from %ir.1 + 32, align 4) ; CHECK: [[GEP3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64) ; CHECK: G_STORE [[LOAD2]](s128), [[GEP3]](p0) :: (store (s128) into %ir.0 + 32, align 4) ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 48 ; CHECK: [[GEP4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C2]](s64) ; CHECK: [[LOAD3:%[0-9]+]]:_(s128) = G_LOAD [[GEP4]](p0) :: (load (s128) from %ir.1 + 48, align 4) ; CHECK: [[GEP5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64) ; CHECK: G_STORE [[LOAD3]](s128), [[GEP5]](p0) :: (store (s128) into %ir.0 + 48, align 4) ; CHECK: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 64 ; CHECK: [[GEP6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C3]](s64) ; CHECK: [[LOAD4:%[0-9]+]]:_(s128) = G_LOAD [[GEP6]](p0) :: (load (s128) from %ir.1 + 64, align 4) ; CHECK: [[GEP7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64) ; CHECK: G_STORE [[LOAD4]](s128), [[GEP7]](p0) :: (store (s128) into %ir.0 + 64, align 4) ; CHECK: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 80 ; CHECK: [[GEP8:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C4]](s64) ; CHECK: [[LOAD5:%[0-9]+]]:_(s128) = G_LOAD [[GEP8]](p0) :: (load (s128) from %ir.1 + 80, align 4) ; CHECK: [[GEP9:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64) ; CHECK: G_STORE [[LOAD5]](s128), [[GEP9]](p0) :: (store (s128) into %ir.0 + 80, align 4) ; CHECK: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 96 ; CHECK: [[GEP10:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C5]](s64) ; CHECK: [[LOAD6:%[0-9]+]]:_(s128) = G_LOAD [[GEP10]](p0) :: (load (s128) from %ir.1 + 96, align 4) ; CHECK: [[GEP11:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64) ; CHECK: G_STORE [[LOAD6]](s128), [[GEP11]](p0) :: (store (s128) into %ir.0 + 96, align 4) ; CHECK: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 112 ; CHECK: [[GEP12:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C6]](s64) ; CHECK: [[LOAD7:%[0-9]+]]:_(s128) = G_LOAD [[GEP12]](p0) :: (load (s128) from %ir.1 + 112, align 4) ; CHECK: [[GEP13:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64) ; CHECK: G_STORE [[LOAD7]](s128), [[GEP13]](p0) :: (store (s128) into %ir.0 + 112, align 4) ; CHECK: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 127 ; CHECK: [[GEP14:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C7]](s64) ; CHECK: [[LOAD8:%[0-9]+]]:_(s128) = G_LOAD [[GEP14]](p0) :: (load (s128) from %ir.1 + 127, align 1, basealign 4) ; CHECK: [[GEP15:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64) ; CHECK: G_STORE [[LOAD8]](s128), [[GEP15]](p0) :: (store (s128) into %ir.0 + 127, align 1, basealign 4) ; CHECK: RET_ReallyLR %0:_(p0) = COPY $x0 %1:_(p0) = COPY $x1 %2:_(s64) = G_CONSTANT i64 143 G_MEMCPY %0(p0), %1(p0), %2(s64), 1 :: (store (s8) into %ir.0, align 4), (load (s8) from %ir.1, align 4) RET_ReallyLR ... --- name: test_memcpy_addrspace alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } machineFunctionInfo: {} body: | bb.1.entry: liveins: $x0, $x1 ; CHECK-LABEL: name: test_memcpy_addrspace ; CHECK: liveins: $x0, $x1 ; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $x0 ; CHECK: [[COPY1:%[0-9]+]]:_(p2) = COPY $x1 ; CHECK: [[LOAD:%[0-9]+]]:_(s128) = G_LOAD [[COPY1]](p2) :: (load (s128) from %ir.1, align 4, addrspace 2) ; CHECK: G_STORE [[LOAD]](s128), [[COPY]](p1) :: (store (s128) into %ir.0, align 4, addrspace 1) ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16 ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p2) = G_PTR_ADD [[COPY1]], [[C]](s64) ; CHECK: [[LOAD1:%[0-9]+]]:_(s128) = G_LOAD [[PTR_ADD]](p2) :: (load (s128) from %ir.1 + 16, align 4, addrspace 2) ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64) ; CHECK: G_STORE [[LOAD1]](s128), [[PTR_ADD1]](p1) :: (store (s128) into %ir.0 + 16, align 4, addrspace 1) ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32 ; CHECK: [[PTR_ADD2:%[0-9]+]]:_(p2) = G_PTR_ADD [[COPY1]], [[C1]](s64) ; CHECK: [[LOAD2:%[0-9]+]]:_(s128) = G_LOAD [[PTR_ADD2]](p2) :: (load (s128) from %ir.1 + 32, align 4, addrspace 2) ; CHECK: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64) ; CHECK: G_STORE [[LOAD2]](s128), [[PTR_ADD3]](p1) :: (store (s128) into %ir.0 + 32, align 4, addrspace 1) ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 48 ; CHECK: [[PTR_ADD4:%[0-9]+]]:_(p2) = G_PTR_ADD [[COPY1]], [[C2]](s64) ; CHECK: [[LOAD3:%[0-9]+]]:_(s128) = G_LOAD [[PTR_ADD4]](p2) :: (load (s128) from %ir.1 + 48, align 4, addrspace 2) ; CHECK: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64) ; CHECK: G_STORE [[LOAD3]](s128), [[PTR_ADD5]](p1) :: (store (s128) into %ir.0 + 48, align 4, addrspace 1) ; CHECK: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 64 ; CHECK: [[PTR_ADD6:%[0-9]+]]:_(p2) = G_PTR_ADD [[COPY1]], [[C3]](s64) ; CHECK: [[LOAD4:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD6]](p2) :: (load (s64) from %ir.1 + 64, align 4, addrspace 2) ; CHECK: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64) ; CHECK: G_STORE [[LOAD4]](s64), [[PTR_ADD7]](p1) :: (store (s64) into %ir.0 + 64, align 4, addrspace 1) ; CHECK: RET_ReallyLR %0:_(p1) = COPY $x0 %1:_(p2) = COPY $x1 %2:_(s64) = G_CONSTANT i64 72 G_MEMCPY %0(p1), %1(p2), %2(s64), 1 :: (store (s8) into %ir.0, align 4, addrspace 1), (load (s8) from %ir.1, align 4, addrspace 2) RET_ReallyLR ...