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Differential D96676

[Test][AArch64] Test SADDE/SSUBE/UADDE/USUBE narrowing legalization
ClosedPublic

Authored by porglezomp on Feb 14 2021, 3:42 PM.

Details

Reviewers
aemerson
paquette
arsenm
Commits
rG0596086242b2: [Test][AArch64] Test SADDE/SSUBE/UADDE/USUBE narrowing legalization

Diff Detail

Unit TestsFailed

TimeTest
290 msx64 debian > LLVM.CodeGen/AArch64/GlobalISel::legalize-sadde.mir
300 msx64 debian > LLVM.CodeGen/AArch64/GlobalISel::legalize-ssube.mir
290 msx64 debian > LLVM.CodeGen/AArch64/GlobalISel::legalize-uadde.mir
290 msx64 debian > LLVM.CodeGen/AArch64/GlobalISel::legalize-usube.mir
120 msx64 windows > LLVM.CodeGen/AArch64/GlobalISel::legalize-sadde.mir
View Full Test Results (8 Failed)

Event Timeline

porglezomp created this revision.Feb 14 2021, 3:42 PM
Herald added subscribers: danielkiss, kristof.beyls. · View Herald TranscriptFeb 14 2021, 3:42 PM
porglezomp requested review of this revision.Feb 14 2021, 3:42 PM
Herald added a project: Restricted Project. · View Herald TranscriptFeb 14 2021, 3:42 PM
Herald added subscribers: llvm-commits, wdng. · View Herald Transcript
porglezomp added a parent revision: D96673: [GlobalISel] Implement narrowScalar for SADDE/SSUBE/UADDE/USUBE.Feb 14 2021, 3:43 PM
porglezomp added a parent revision: D96674: [AArch64][GlobalISel] Make overflow legalization use clampScalar.Feb 14 2021, 4:33 PM
Harbormaster completed remote builds in B89173: Diff 323643.Feb 14 2021, 4:38 PM
arsenm added inline comments.Feb 15 2021, 2:28 PM
llvm/test/CodeGen/AArch64/GlobalISel/legalize-usube.mir
38

What about a non-pow2 that also isn't divisible by the register size?

porglezomp added inline comments.Feb 16 2021, 11:54 PM
llvm/test/CodeGen/AArch64/GlobalISel/legalize-usube.mir
38

That isn't supported for even plain add/sub yet, so I think that should be a separate change.

paquette accepted this revision.Feb 17 2021, 1:14 PM

I think this looks fine.

This revision is now accepted and ready to land.Feb 17 2021, 1:14 PM
This revision was landed with ongoing or failed builds.Feb 22 2021, 5:00 PM
Closed by commit rG0596086242b2: [Test][AArch64] Test SADDE/SSUBE/UADDE/USUBE narrowing legalization (authored by porglezomp). · Explain Why
This revision was automatically updated to reflect the committed changes.
porglezomp added a commit: rG0596086242b2: [Test][AArch64] Test SADDE/SSUBE/UADDE/USUBE narrowing legalization.

Revision Contents

PathSize
llvm/
test/
CodeGen/
AArch64/
GlobalISel/
69 lines
69 lines
69 lines
69 lines

Diff 323643

llvm/test/CodeGen/AArch64/GlobalISel/legalize-sadde.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64 -verify-machineinstrs -run-pass=legalizer -debugify-and-strip-all-safe %s -o - | FileCheck %s # RUN: llc -mtriple aarch64 -verify-machineinstrs -run-pass=legalizer -debugify-and-strip-all-safe %s -o - | FileCheck %s
--- ---
name: narrow_scalar_sadde_s128
body: |
bb.0.entry:
; CHECK-LABEL: name: narrow_scalar_sadde_s128
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY4]](s64)
; CHECK: [[UADDE:%[0-9]+]]:_(s64), [[UADDE1:%[0-9]+]]:_(s1) = G_UADDE [[COPY]], [[COPY2]], %carry_in
; CHECK: %19:_(s64), %carry_out:_(s1) = G_SADDE [[COPY1]], [[COPY3]], [[UADDE1]]
; CHECK: %carry_out_ext:_(s64) = G_ANYEXT %carry_out(s1)
; CHECK: $x0 = COPY [[UADDE]](s64)
; CHECK: $x1 = COPY %19(s64)
; CHECK: $x2 = COPY %carry_out_ext(s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s64) = COPY $x2
%3:_(s64) = COPY $x3
%4:_(s64) = COPY $x4
%lhs:_(s128) = G_MERGE_VALUES %0, %1
%rhs:_(s128) = G_MERGE_VALUES %2, %3
%carry_in:_(s1) = G_TRUNC %4
%add:_(s128), %carry_out:_(s1) = G_SADDE %lhs, %rhs, %carry_in
%add0:_(s64), %add1:_(s64) = G_UNMERGE_VALUES %add
%carry_out_ext:_(s64) = G_ANYEXT %carry_out
$x0 = COPY %add0
$x1 = COPY %add1
$x2 = COPY %carry_out_ext
...
---
name: narrow_scalar_sadde_big_nonpow2
body: |
bb.0.entry:
; CHECK-LABEL: name: narrow_scalar_sadde_big_nonpow2
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY4]](s64)
; CHECK: [[UADDE:%[0-9]+]]:_(s64), [[UADDE1:%[0-9]+]]:_(s1) = G_UADDE [[COPY]], [[COPY1]], %carry_in
; CHECK: [[UADDE2:%[0-9]+]]:_(s64), [[UADDE3:%[0-9]+]]:_(s1) = G_UADDE [[COPY1]], [[COPY2]], [[UADDE1]]
; CHECK: %24:_(s64), %carry_out:_(s1) = G_SADDE [[COPY2]], [[COPY3]], [[UADDE3]]
; CHECK: %carry_out_ext:_(s64) = G_ANYEXT %carry_out(s1)
; CHECK: $x0 = COPY [[UADDE]](s64)
; CHECK: $x1 = COPY [[UADDE2]](s64)
; CHECK: $x2 = COPY %24(s64)
; CHECK: $x3 = COPY %carry_out_ext(s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s64) = COPY $x2
%3:_(s64) = COPY $x3
%4:_(s64) = COPY $x4
%lhs:_(s192) = G_MERGE_VALUES %0, %1, %2
%rhs:_(s192) = G_MERGE_VALUES %1, %2, %3
%carry_in:_(s1) = G_TRUNC %4
%add:_(s192), %carry_out:_(s1) = G_SADDE %lhs, %rhs, %carry_in
%add0:_(s64), %add1:_(s64), %add2:_(s64) = G_UNMERGE_VALUES %add
%carry_out_ext:_(s64) = G_ANYEXT %carry_out
$x0 = COPY %add0
$x1 = COPY %add1
$x2 = COPY %add2
$x3 = COPY %carry_out_ext
...
---
name: widen_scalar_sadde_s8 name: widen_scalar_sadde_s8
body: | body: |
bb.0.entry: bb.0.entry:
; CHECK-LABEL: name: widen_scalar_sadde_s8 ; CHECK-LABEL: name: widen_scalar_sadde_s8
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2 ; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY2]](s64) ; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY2]](s64)
▲ Show 20 Lines • Show All 50 Lines • Show Last 20 Lines

llvm/test/CodeGen/AArch64/GlobalISel/legalize-ssube.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64 -verify-machineinstrs -run-pass=legalizer -debugify-and-strip-all-safe %s -o - | FileCheck %s # RUN: llc -mtriple aarch64 -verify-machineinstrs -run-pass=legalizer -debugify-and-strip-all-safe %s -o - | FileCheck %s
--- ---
name: narrow_scalar_ssube_s128
body: |
bb.0.entry:
; CHECK-LABEL: name: narrow_scalar_ssube_s128
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY4]](s64)
; CHECK: [[USUBE:%[0-9]+]]:_(s64), [[USUBE1:%[0-9]+]]:_(s1) = G_USUBE [[COPY]], [[COPY2]], %carry_in
; CHECK: %19:_(s64), %carry_out:_(s1) = G_SSUBE [[COPY1]], [[COPY3]], [[USUBE1]]
; CHECK: %carry_out_ext:_(s64) = G_ANYEXT %carry_out(s1)
; CHECK: $x0 = COPY [[USUBE]](s64)
; CHECK: $x1 = COPY %19(s64)
; CHECK: $x2 = COPY %carry_out_ext(s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s64) = COPY $x2
%3:_(s64) = COPY $x3
%4:_(s64) = COPY $x4
%lhs:_(s128) = G_MERGE_VALUES %0, %1
%rhs:_(s128) = G_MERGE_VALUES %2, %3
%carry_in:_(s1) = G_TRUNC %4
%sub:_(s128), %carry_out:_(s1) = G_SSUBE %lhs, %rhs, %carry_in
%sub0:_(s64), %sub1:_(s64) = G_UNMERGE_VALUES %sub
%carry_out_ext:_(s64) = G_ANYEXT %carry_out
$x0 = COPY %sub0
$x1 = COPY %sub1
$x2 = COPY %carry_out_ext
...
---
name: narrow_scalar_ssube_big_nonpow2
body: |
bb.0.entry:
; CHECK-LABEL: name: narrow_scalar_ssube_big_nonpow2
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY4]](s64)
; CHECK: [[USUBE:%[0-9]+]]:_(s64), [[USUBE1:%[0-9]+]]:_(s1) = G_USUBE [[COPY]], [[COPY1]], %carry_in
; CHECK: [[USUBE2:%[0-9]+]]:_(s64), [[USUBE3:%[0-9]+]]:_(s1) = G_USUBE [[COPY1]], [[COPY2]], [[USUBE1]]
; CHECK: %24:_(s64), %carry_out:_(s1) = G_SSUBE [[COPY2]], [[COPY3]], [[USUBE3]]
; CHECK: %carry_out_ext:_(s64) = G_ANYEXT %carry_out(s1)
; CHECK: $x0 = COPY [[USUBE]](s64)
; CHECK: $x1 = COPY [[USUBE2]](s64)
; CHECK: $x2 = COPY %24(s64)
; CHECK: $x3 = COPY %carry_out_ext(s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s64) = COPY $x2
%3:_(s64) = COPY $x3
%4:_(s64) = COPY $x4
%lhs:_(s192) = G_MERGE_VALUES %0, %1, %2
%rhs:_(s192) = G_MERGE_VALUES %1, %2, %3
%carry_in:_(s1) = G_TRUNC %4
%sub:_(s192), %carry_out:_(s1) = G_SSUBE %lhs, %rhs, %carry_in
%sub0:_(s64), %sub1:_(s64), %sub2:_(s64) = G_UNMERGE_VALUES %sub
%carry_out_ext:_(s64) = G_ANYEXT %carry_out
$x0 = COPY %sub0
$x1 = COPY %sub1
$x2 = COPY %sub2
$x3 = COPY %carry_out_ext
...
---
name: widen_scalar_ssube_s8 name: widen_scalar_ssube_s8
body: | body: |
bb.0.entry: bb.0.entry:
; CHECK-LABEL: name: widen_scalar_ssube_s8 ; CHECK-LABEL: name: widen_scalar_ssube_s8
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2 ; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY2]](s64) ; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY2]](s64)
▲ Show 20 Lines • Show All 50 Lines • Show Last 20 Lines

llvm/test/CodeGen/AArch64/GlobalISel/legalize-uadde.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64 -verify-machineinstrs -run-pass=legalizer -debugify-and-strip-all-safe %s -o - | FileCheck %s # RUN: llc -mtriple aarch64 -verify-machineinstrs -run-pass=legalizer -debugify-and-strip-all-safe %s -o - | FileCheck %s
--- ---
name: narrow_scalar_uadde_s128
body: |
bb.0.entry:
; CHECK-LABEL: name: narrow_scalar_uadde_s128
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY4]](s64)
; CHECK: [[UADDE:%[0-9]+]]:_(s64), [[UADDE1:%[0-9]+]]:_(s1) = G_UADDE [[COPY]], [[COPY2]], %carry_in
; CHECK: %19:_(s64), %carry_out:_(s1) = G_UADDE [[COPY1]], [[COPY3]], [[UADDE1]]
; CHECK: %carry_out_ext:_(s64) = G_ANYEXT %carry_out(s1)
; CHECK: $x0 = COPY [[UADDE]](s64)
; CHECK: $x1 = COPY %19(s64)
; CHECK: $x2 = COPY %carry_out_ext(s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s64) = COPY $x2
%3:_(s64) = COPY $x3
%4:_(s64) = COPY $x4
%lhs:_(s128) = G_MERGE_VALUES %0, %1
%rhs:_(s128) = G_MERGE_VALUES %2, %3
%carry_in:_(s1) = G_TRUNC %4
%add:_(s128), %carry_out:_(s1) = G_UADDE %lhs, %rhs, %carry_in
%add0:_(s64), %add1:_(s64) = G_UNMERGE_VALUES %add
%carry_out_ext:_(s64) = G_ANYEXT %carry_out
$x0 = COPY %add0
$x1 = COPY %add1
$x2 = COPY %carry_out_ext
...
---
name: narrow_scalar_uadde_big_nonpow2
body: |
bb.0.entry:
; CHECK-LABEL: name: narrow_scalar_uadde_big_nonpow2
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY4]](s64)
; CHECK: [[UADDE:%[0-9]+]]:_(s64), [[UADDE1:%[0-9]+]]:_(s1) = G_UADDE [[COPY]], [[COPY1]], %carry_in
; CHECK: [[UADDE2:%[0-9]+]]:_(s64), [[UADDE3:%[0-9]+]]:_(s1) = G_UADDE [[COPY1]], [[COPY2]], [[UADDE1]]
; CHECK: %24:_(s64), %carry_out:_(s1) = G_UADDE [[COPY2]], [[COPY3]], [[UADDE3]]
; CHECK: %carry_out_ext:_(s64) = G_ANYEXT %carry_out(s1)
; CHECK: $x0 = COPY [[UADDE]](s64)
; CHECK: $x1 = COPY [[UADDE2]](s64)
; CHECK: $x2 = COPY %24(s64)
; CHECK: $x3 = COPY %carry_out_ext(s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s64) = COPY $x2
%3:_(s64) = COPY $x3
%4:_(s64) = COPY $x4
%lhs:_(s192) = G_MERGE_VALUES %0, %1, %2
%rhs:_(s192) = G_MERGE_VALUES %1, %2, %3
%carry_in:_(s1) = G_TRUNC %4
%add:_(s192), %carry_out:_(s1) = G_UADDE %lhs, %rhs, %carry_in
%add0:_(s64), %add1:_(s64), %add2:_(s64) = G_UNMERGE_VALUES %add
%carry_out_ext:_(s64) = G_ANYEXT %carry_out
$x0 = COPY %add0
$x1 = COPY %add1
$x2 = COPY %add2
$x3 = COPY %carry_out_ext
...
---
name: widen_scalar_uadde_s8 name: widen_scalar_uadde_s8
body: | body: |
bb.0.entry: bb.0.entry:
; CHECK-LABEL: name: widen_scalar_uadde_s8 ; CHECK-LABEL: name: widen_scalar_uadde_s8
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2 ; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY2]](s64) ; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY2]](s64)
▲ Show 20 Lines • Show All 51 Lines • Show Last 20 Lines

llvm/test/CodeGen/AArch64/GlobalISel/legalize-usube.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64 -verify-machineinstrs -run-pass=legalizer -debugify-and-strip-all-safe %s -o - | FileCheck %s # RUN: llc -mtriple aarch64 -verify-machineinstrs -run-pass=legalizer -debugify-and-strip-all-safe %s -o - | FileCheck %s
--- ---
name: narrow_scalar_usube_s128
body: |
bb.0.entry:
; CHECK-LABEL: name: narrow_scalar_usube_s128
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY4]](s64)
; CHECK: [[USUBE:%[0-9]+]]:_(s64), [[USUBE1:%[0-9]+]]:_(s1) = G_USUBE [[COPY]], [[COPY2]], %carry_in
; CHECK: %19:_(s64), %carry_out:_(s1) = G_USUBE [[COPY1]], [[COPY3]], [[USUBE1]]
; CHECK: %carry_out_ext:_(s64) = G_ANYEXT %carry_out(s1)
; CHECK: $x0 = COPY [[USUBE]](s64)
; CHECK: $x1 = COPY %19(s64)
; CHECK: $x2 = COPY %carry_out_ext(s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s64) = COPY $x2
%3:_(s64) = COPY $x3
%4:_(s64) = COPY $x4
%lhs:_(s128) = G_MERGE_VALUES %0, %1
%rhs:_(s128) = G_MERGE_VALUES %2, %3
%carry_in:_(s1) = G_TRUNC %4
%sub:_(s128), %carry_out:_(s1) = G_USUBE %lhs, %rhs, %carry_in
%sub0:_(s64), %sub1:_(s64) = G_UNMERGE_VALUES %sub
%carry_out_ext:_(s64) = G_ANYEXT %carry_out
$x0 = COPY %sub0
$x1 = COPY %sub1
$x2 = COPY %carry_out_ext
...
---
name: narrow_scalar_usube_big_nonpow2
arsenmUnsubmitted
Not Done
ReplyInline Actions

What about a non-pow2 that also isn't divisible by the register size?

arsenm: What about a non-pow2 that also isn't divisible by the register size?
porglezompAuthorUnsubmitted
Done
ReplyInline Actions

That isn't supported for even plain add/sub yet, so I think that should be a separate change.

porglezomp: That isn't supported for even plain add/sub yet, so I think that should be a separate change.
body: |
bb.0.entry:
; CHECK-LABEL: name: narrow_scalar_usube_big_nonpow2
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
; CHECK: [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY4]](s64)
; CHECK: [[USUBE:%[0-9]+]]:_(s64), [[USUBE1:%[0-9]+]]:_(s1) = G_USUBE [[COPY]], [[COPY1]], %carry_in
; CHECK: [[USUBE2:%[0-9]+]]:_(s64), [[USUBE3:%[0-9]+]]:_(s1) = G_USUBE [[COPY1]], [[COPY2]], [[USUBE1]]
; CHECK: %24:_(s64), %carry_out:_(s1) = G_USUBE [[COPY2]], [[COPY3]], [[USUBE3]]
; CHECK: %carry_out_ext:_(s64) = G_ANYEXT %carry_out(s1)
; CHECK: $x0 = COPY [[USUBE]](s64)
; CHECK: $x1 = COPY [[USUBE2]](s64)
; CHECK: $x2 = COPY %24(s64)
; CHECK: $x3 = COPY %carry_out_ext(s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s64) = COPY $x2
%3:_(s64) = COPY $x3
%4:_(s64) = COPY $x4
%lhs:_(s192) = G_MERGE_VALUES %0, %1, %2
%rhs:_(s192) = G_MERGE_VALUES %1, %2, %3
%carry_in:_(s1) = G_TRUNC %4
%sub:_(s192), %carry_out:_(s1) = G_USUBE %lhs, %rhs, %carry_in
%sub0:_(s64), %sub1:_(s64), %sub2:_(s64) = G_UNMERGE_VALUES %sub
%carry_out_ext:_(s64) = G_ANYEXT %carry_out
$x0 = COPY %sub0
$x1 = COPY %sub1
$x2 = COPY %sub2
$x3 = COPY %carry_out_ext
...
---
name: widen_scalar_usube_s8 name: widen_scalar_usube_s8
body: | body: |
bb.0.entry: bb.0.entry:
; CHECK-LABEL: name: widen_scalar_usube_s8 ; CHECK-LABEL: name: widen_scalar_usube_s8
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2 ; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY2]](s64) ; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY2]](s64)
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