# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -o - -mtriple=aarch64-unknown-unknown -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s | FileCheck %s --check-prefixes=CHECK,CHECK-PRE
# RUN: llc -o - -mtriple=aarch64-unknown-unknown -run-pass=aarch64-postlegalizer-combiner -verify-machineinstrs %s | FileCheck %s --check-prefixes=CHECK,CHECK-POST
---
name: test_combine_trunc_undef
legalized: true
body: |
bb.1:
; CHECK-LABEL: name: test_combine_trunc_undef
; CHECK: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; CHECK-NEXT: $w0 = COPY [[DEF]](s32)
%0:_(s64) = G_IMPLICIT_DEF
%1:_(s32) = G_TRUNC %0(s64)
$w0 = COPY %1(s32)
...
---
name: test_combine_trunc_undef_vec
legalized: true
body: |
bb.1:
; CHECK-LABEL: name: test_combine_trunc_undef_vec
; CHECK: [[DEF:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
; CHECK-NEXT: $x0 = COPY [[DEF]](<2 x s32>)
%0:_(<2 x s64>) = G_IMPLICIT_DEF
%1:_(<2 x s32>) = G_TRUNC %0(<2 x s64>)
$x0 = COPY %1(<2 x s32>)
...
---
name: test_combine_trunc_anyext_s32_s16
legalized: true
body: |
bb.1:
liveins: $h0
; CHECK-PRE-LABEL: name: test_combine_trunc_anyext_s32_s16
; CHECK-PRE: liveins: $h0
; CHECK-PRE-NEXT: {{ $}}
; CHECK-PRE-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY $h0
; CHECK-PRE-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[COPY]](s16)
; CHECK-PRE-NEXT: $w0 = COPY [[ANYEXT]](s32)
;
; CHECK-POST-LABEL: name: test_combine_trunc_anyext_s32_s16
; CHECK-POST: liveins: $h0
; CHECK-POST-NEXT: {{ $}}
; CHECK-POST-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY $h0
; CHECK-POST-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[COPY]](s16)
; CHECK-POST-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[ANYEXT]](s64)
; CHECK-POST-NEXT: $w0 = COPY [[TRUNC]](s32)
%0:_(s16) = COPY $h0
%1:_(s64) = G_ANYEXT %0(s16)
%2:_(s32) = G_TRUNC %1(s64)
$w0 = COPY %2(s32)
...
---
name: test_combine_trunc_anyext_s32_s16_vec
legalized: true
body: |
bb.1:
liveins: $s0
; CHECK-PRE-LABEL: name: test_combine_trunc_anyext_s32_s16_vec
; CHECK-PRE: liveins: $s0
; CHECK-PRE-NEXT: {{ $}}
; CHECK-PRE-NEXT: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $s0
; CHECK-PRE-NEXT: [[ANYEXT:%[0-9]+]]:_(<2 x s32>) = G_ANYEXT [[COPY]](<2 x s16>)
; CHECK-PRE-NEXT: $x0 = COPY [[ANYEXT]](<2 x s32>)
;
; CHECK-POST-LABEL: name: test_combine_trunc_anyext_s32_s16_vec
; CHECK-POST: liveins: $s0
; CHECK-POST-NEXT: {{ $}}
; CHECK-POST-NEXT: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $s0
; CHECK-POST-NEXT: [[ANYEXT:%[0-9]+]]:_(<2 x s64>) = G_ANYEXT [[COPY]](<2 x s16>)
; CHECK-POST-NEXT: [[TRUNC:%[0-9]+]]:_(<2 x s32>) = G_TRUNC [[ANYEXT]](<2 x s64>)
; CHECK-POST-NEXT: $x0 = COPY [[TRUNC]](<2 x s32>)
%0:_(<2 x s16>) = COPY $s0
%1:_(<2 x s64>) = G_ANYEXT %0(<2 x s16>)
%2:_(<2 x s32>) = G_TRUNC %1(<2 x s64>)
$x0 = COPY %2(<2 x s32>)
...
---
name: test_combine_trunc_sext_s32_s16
legalized: true
body: |
bb.1:
liveins: $h0
; CHECK-PRE-LABEL: name: test_combine_trunc_sext_s32_s16
; CHECK-PRE: liveins: $h0
; CHECK-PRE-NEXT: {{ $}}
; CHECK-PRE-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY $h0
; CHECK-PRE-NEXT: [[SEXT:%[0-9]+]]:_(s32) = G_SEXT [[COPY]](s16)
; CHECK-PRE-NEXT: $w0 = COPY [[SEXT]](s32)
;
; CHECK-POST-LABEL: name: test_combine_trunc_sext_s32_s16
; CHECK-POST: liveins: $h0
; CHECK-POST-NEXT: {{ $}}
; CHECK-POST-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY $h0
; CHECK-POST-NEXT: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY]](s16)
; CHECK-POST-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[SEXT]](s64)
; CHECK-POST-NEXT: $w0 = COPY [[TRUNC]](s32)
%0:_(s16) = COPY $h0
%1:_(s64) = G_SEXT %0(s16)
%2:_(s32) = G_TRUNC %1(s64)
$w0 = COPY %2(s32)
...
---
name: test_combine_trunc_zext_s32_s16
legalized: true
body: |
bb.1:
liveins: $h0
; CHECK-PRE-LABEL: name: test_combine_trunc_zext_s32_s16
; CHECK-PRE: liveins: $h0
; CHECK-PRE-NEXT: {{ $}}
; CHECK-PRE-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY $h0
; CHECK-PRE-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[COPY]](s16)
; CHECK-PRE-NEXT: $w0 = COPY [[ZEXT]](s32)
;
; CHECK-POST-LABEL: name: test_combine_trunc_zext_s32_s16
; CHECK-POST: liveins: $h0
; CHECK-POST-NEXT: {{ $}}
; CHECK-POST-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY $h0
; CHECK-POST-NEXT: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[COPY]](s16)
; CHECK-POST-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[ZEXT]](s64)
; CHECK-POST-NEXT: $w0 = COPY [[TRUNC]](s32)
%0:_(s16) = COPY $h0
%1:_(s64) = G_ZEXT %0(s16)
%2:_(s32) = G_TRUNC %1(s64)
$w0 = COPY %2(s32)
...
---
name: test_combine_trunc_anyext_s32_s32
legalized: true
body: |
bb.1:
liveins: $w0
; CHECK-PRE-LABEL: name: test_combine_trunc_anyext_s32_s32
; CHECK-PRE: liveins: $w0
; CHECK-PRE-NEXT: {{ $}}
; CHECK-PRE-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-PRE-NEXT: $w0 = COPY [[COPY]](s32)
;
; CHECK-POST-LABEL: name: test_combine_trunc_anyext_s32_s32
; CHECK-POST: liveins: $w0
; CHECK-POST-NEXT: {{ $}}
; CHECK-POST-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-POST-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[COPY]](s32)
; CHECK-POST-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[ANYEXT]](s64)
; CHECK-POST-NEXT: $w0 = COPY [[TRUNC]](s32)
%0:_(s32) = COPY $w0
%1:_(s64) = G_ANYEXT %0(s32)
%2:_(s32) = G_TRUNC %1(s64)
$w0 = COPY %2(s32)
...
---
name: test_combine_trunc_anyext_s32_s64
legalized: true
body: |
bb.1:
liveins: $x0
; CHECK-PRE-LABEL: name: test_combine_trunc_anyext_s32_s64
; CHECK-PRE: liveins: $x0
; CHECK-PRE-NEXT: {{ $}}
; CHECK-PRE-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK-PRE-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
; CHECK-PRE-NEXT: $w0 = COPY [[TRUNC]](s32)
;
; CHECK-POST-LABEL: name: test_combine_trunc_anyext_s32_s64
; CHECK-POST: liveins: $x0
; CHECK-POST-NEXT: {{ $}}
; CHECK-POST-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK-POST-NEXT: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT [[COPY]](s64)
; CHECK-POST-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[ANYEXT]](s128)
; CHECK-POST-NEXT: $w0 = COPY [[TRUNC]](s32)
%0:_(s64) = COPY $x0
%1:_(s128) = G_ANYEXT %0(s64)
%2:_(s32) = G_TRUNC %1(s128)
$w0 = COPY %2(s32)
...
---
name: test_combine_trunc_shl_s32_by_2
legalized: true
body: |
bb.1:
liveins: $w0
; CHECK-PRE-LABEL: name: test_combine_trunc_shl_s32_by_2
; CHECK-PRE: liveins: $w0
; CHECK-PRE-NEXT: {{ $}}
; CHECK-PRE-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-PRE-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
; CHECK-PRE-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
; CHECK-PRE-NEXT: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[TRUNC]], [[C]](s32)
; CHECK-PRE-NEXT: $h0 = COPY [[SHL]](s16)
;
; CHECK-POST-LABEL: name: test_combine_trunc_shl_s32_by_2
; CHECK-POST: liveins: $w0
; CHECK-POST-NEXT: {{ $}}
; CHECK-POST-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-POST-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
; CHECK-POST-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C]](s32)
; CHECK-POST-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
; CHECK-POST-NEXT: $h0 = COPY [[TRUNC]](s16)
%0:_(s32) = COPY $w0
%1:_(s32) = G_CONSTANT i32 2
%2:_(s32) = G_SHL %0(s32), %1(s32)
%3:_(s16) = G_TRUNC %2(s32)
$h0 = COPY %3(s16)
...
---
name: test_combine_trunc_shl_s32_by_17
legalized: true
body: |
bb.1:
liveins: $w0
; CHECK-LABEL: name: test_combine_trunc_shl_s32_by_17
; CHECK: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 17
; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C]](s32)
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
; CHECK-NEXT: $h0 = COPY [[TRUNC]](s16)
%0:_(s32) = COPY $w0
%1:_(s32) = G_CONSTANT i32 17
%2:_(s32) = G_SHL %0(s32), %1(s32)
%3:_(s16) = G_TRUNC %2(s32)
$h0 = COPY %3(s16)
...
---
name: test_combine_trunc_multi_use
legalized: true
body: |
bb.1:
liveins: $w0
; CHECK-LABEL: name: test_combine_trunc_multi_use
; CHECK: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[COPY]](s32)
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[ZEXT]](s64)
; CHECK-NEXT: $h0 = COPY [[TRUNC]](s16)
; CHECK-NEXT: $x0 = COPY [[ZEXT]](s64)
%0:_(s32) = COPY $w0
%2:_(s64) = G_ZEXT %0(s32)
%3:_(s16) = G_TRUNC %2(s64)
$h0 = COPY %3(s16)
$x0 = COPY %2(s64)
...
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