legalize-s128-div.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64-apple-ios -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-apple-ios"
define void @udiv_test(i128* %v1ptr, i128* %v2ptr) { ret void }
define void @sdiv_test(i128* %v1ptr, i128* %v2ptr) { ret void }
...
---
name: udiv_test
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$x0' }
- { reg: '$x1' }
machineFunctionInfo: {}
body: |
bb.1 (%ir-block.0):
liveins: $x0, $x1
; CHECK-LABEL: name: udiv_test
; 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 [[COPY]](p0) :: (load 16 from %ir.v1ptr)
; CHECK: [[LOAD1:%[0-9]+]]:_(s128) = G_LOAD [[COPY1]](p0) :: (load 16 from %ir.v2ptr)
; CHECK: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[LOAD]](s128)
; CHECK: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[LOAD1]](s128)
; CHECK: $x0 = COPY [[UV]](s64)
; CHECK: $x1 = COPY [[UV1]](s64)
; CHECK: $x2 = COPY [[UV2]](s64)
; CHECK: $x3 = COPY [[UV3]](s64)
; CHECK: BL &__udivti3, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0, implicit $x1, implicit $x2, implicit $x3, implicit-def $x0, implicit-def $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[COPY2]](s64), [[COPY3]](s64)
; CHECK: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
; CHECK: G_STORE [[MV]](s128), [[COPY]](p0) :: (store 16 into %ir.v1ptr)
; CHECK: RET_ReallyLR
%0:_(p0) = COPY $x0
%1:_(p0) = COPY $x1
%2:_(s128) = G_LOAD %0(p0) :: (load 16 from %ir.v1ptr)
%3:_(s128) = G_LOAD %1(p0) :: (load 16 from %ir.v2ptr)
%4:_(s128) = G_UDIV %2, %3
G_STORE %4(s128), %0(p0) :: (store 16 into %ir.v1ptr)
RET_ReallyLR
...
---
name: sdiv_test
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$x0' }
- { reg: '$x1' }
machineFunctionInfo: {}
body: |
bb.1 (%ir-block.0):
liveins: $x0, $x1
; CHECK-LABEL: name: sdiv_test
; 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 [[COPY]](p0) :: (load 16 from %ir.v1ptr)
; CHECK: [[LOAD1:%[0-9]+]]:_(s128) = G_LOAD [[COPY1]](p0) :: (load 16 from %ir.v2ptr)
; CHECK: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[LOAD]](s128)
; CHECK: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[LOAD1]](s128)
; CHECK: $x0 = COPY [[UV]](s64)
; CHECK: $x1 = COPY [[UV1]](s64)
; CHECK: $x2 = COPY [[UV2]](s64)
; CHECK: $x3 = COPY [[UV3]](s64)
; CHECK: BL &__divti3, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0, implicit $x1, implicit $x2, implicit $x3, implicit-def $x0, implicit-def $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[COPY2]](s64), [[COPY3]](s64)
; CHECK: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
; CHECK: G_STORE [[MV]](s128), [[COPY]](p0) :: (store 16 into %ir.v1ptr)
; CHECK: RET_ReallyLR
%0:_(p0) = COPY $x0
%1:_(p0) = COPY $x1
%2:_(s128) = G_LOAD %0(p0) :: (load 16 from %ir.v1ptr)
%3:_(s128) = G_LOAD %1(p0) :: (load 16 from %ir.v2ptr)
%4:_(s128) = G_SDIV %2, %3
G_STORE %4(s128), %0(p0) :: (store 16 into %ir.v1ptr)
RET_ReallyLR
...