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|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs -o - %s | FileCheck %s
---
name: v2s16_trunc_same_bitcast_lshr16
tracksRegLiveness: true
legalized: true
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: v2s16_trunc_same_bitcast_lshr16
; CHECK: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %src:_(<2 x s16>) = COPY $vgpr0
; CHECK-NEXT: $vgpr0 = COPY %src(<2 x s16>)
%src:_(<2 x s16>) = COPY $vgpr0
%bitcast:_(s32) = G_BITCAST %src
%lshr_amount:_(s32) = G_CONSTANT i32 16
%lshr:_(s32) = G_LSHR %bitcast, %lshr_amount
%root:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC %bitcast, %lshr
$vgpr0 = COPY %root
...
---
name: v2s16_trunc_different_bitcast_lshr16
tracksRegLiveness: true
legalized: true
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: v2s16_trunc_different_bitcast_lshr16
; CHECK: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %src:_(<2 x s16>) = COPY $vgpr0
; CHECK-NEXT: $vgpr0 = COPY %src(<2 x s16>)
%src:_(<2 x s16>) = COPY $vgpr0
%bitcast0:_(s32) = G_BITCAST %src
%bitcast1:_(s32) = G_BITCAST %src
%lshr_amount:_(s32) = G_CONSTANT i32 16
%lshr:_(s32) = G_LSHR %bitcast1, %lshr_amount
%root:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC %bitcast0, %lshr
$vgpr0 = COPY %root
...
---
name: v2s16_trunc_same_bitcast_lshr8_nocombine
tracksRegLiveness: true
legalized: true
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: v2s16_trunc_same_bitcast_lshr8_nocombine
; CHECK: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %src:_(<2 x s16>) = COPY $vgpr0
; CHECK-NEXT: %bitcast:_(s32) = G_BITCAST %src(<2 x s16>)
; CHECK-NEXT: %lshr_amount:_(s32) = G_CONSTANT i32 8
; CHECK-NEXT: %lshr:_(s32) = G_LSHR %bitcast, %lshr_amount(s32)
; CHECK-NEXT: %root:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC %bitcast(s32), %lshr(s32)
; CHECK-NEXT: $vgpr0 = COPY %root(<2 x s16>)
%src:_(<2 x s16>) = COPY $vgpr0
%bitcast:_(s32) = G_BITCAST %src
%lshr_amount:_(s32) = G_CONSTANT i32 8
%lshr:_(s32) = G_LSHR %bitcast, %lshr_amount
%root:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC %bitcast, %lshr
$vgpr0 = COPY %root
...
---
name: v2s16_same_bitcast_lshr16
tracksRegLiveness: true
legalized: true
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: v2s16_same_bitcast_lshr16
; CHECK: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %src:_(<2 x s16>) = COPY $vgpr0
; CHECK-NEXT: $vgpr0 = COPY %src(<2 x s16>)
%src:_(<2 x s16>) = COPY $vgpr0
%bitcast:_(s32) = G_BITCAST %src
%lshr_amount:_(s32) = G_CONSTANT i32 16
%lshr:_(s32) = G_LSHR %bitcast, %lshr_amount
%trunclo:_(s16) = G_TRUNC %bitcast
%trunchi:_(s16) = G_TRUNC %lshr
%root:_(<2 x s16>) = G_BUILD_VECTOR %trunclo, %trunchi
$vgpr0 = COPY %root
...
---
name: v2s16_same_bitcast_lshr8_nocombine
tracksRegLiveness: true
legalized: true
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: v2s16_same_bitcast_lshr8_nocombine
; CHECK: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %src:_(<2 x s16>) = COPY $vgpr0
; CHECK-NEXT: %bitcast:_(s32) = G_BITCAST %src(<2 x s16>)
; CHECK-NEXT: %lshr_amount:_(s32) = G_CONSTANT i32 8
; CHECK-NEXT: %lshr:_(s32) = G_LSHR %bitcast, %lshr_amount(s32)
; CHECK-NEXT: %trunclo:_(s16) = G_TRUNC %bitcast(s32)
; CHECK-NEXT: %trunchi:_(s16) = G_TRUNC %lshr(s32)
; CHECK-NEXT: %root:_(<2 x s16>) = G_BUILD_VECTOR %trunclo(s16), %trunchi(s16)
; CHECK-NEXT: $vgpr0 = COPY %root(<2 x s16>)
%src:_(<2 x s16>) = COPY $vgpr0
%bitcast:_(s32) = G_BITCAST %src
%lshr_amount:_(s32) = G_CONSTANT i32 8
%lshr:_(s32) = G_LSHR %bitcast, %lshr_amount
%trunclo:_(s16) = G_TRUNC %bitcast
%trunchi:_(s16) = G_TRUNC %lshr
%root:_(<2 x s16>) = G_BUILD_VECTOR %trunclo, %trunchi
$vgpr0 = COPY %root
...
---
name: v2s16_undefhi
tracksRegLiveness: true
legalized: true
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: v2s16_undefhi
; CHECK: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %src:_(<2 x s16>) = COPY $vgpr0
; CHECK-NEXT: $vgpr0 = COPY %src(<2 x s16>)
%src:_(<2 x s16>) = COPY $vgpr0
%bitcast:_(s32) = G_BITCAST %src
%trunc:_(s16) = G_TRUNC %bitcast
%undef:_(s16) = G_IMPLICIT_DEF
%root:_(<2 x s16>) = G_BUILD_VECTOR %trunc, %undef
$vgpr0 = COPY %root
...
---
name: v2s32_undefhi
tracksRegLiveness: true
legalized: true
body: |
bb.0:
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: v2s32_undefhi
; CHECK: liveins: $vgpr0_vgpr1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %src:_(<2 x s32>) = COPY $vgpr0_vgpr1
; CHECK-NEXT: $vgpr0_vgpr1 = COPY %src(<2 x s32>)
%src:_(<2 x s32>) = COPY $vgpr0_vgpr1
%bitcast:_(s64) = G_BITCAST %src
%trunc:_(s32) = G_TRUNC %bitcast
%undef:_(s32) = G_IMPLICIT_DEF
%root:_(<2 x s32>) = G_BUILD_VECTOR %trunc, %undef
$vgpr0_vgpr1 = COPY %root
...
|
