inst-select-sext.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -run-pass=instruction-select -verify-machineinstrs -global-isel %s -o - | FileCheck %s -check-prefixes=GCN
---
name: sext_sgpr_s1_to_sgpr_s32
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $sgpr0
; GCN-LABEL: name: sext_sgpr_s1_to_sgpr_s32
; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
; GCN: [[S_BFE_I32_:%[0-9]+]]:sreg_32 = S_BFE_I32 [[COPY]], 65536, implicit-def $scc
; GCN: $sgpr0 = COPY [[S_BFE_I32_]]
%0:sgpr(s32) = COPY $sgpr0
%1:sgpr(s1) = G_TRUNC %0
%2:sgpr(s32) = G_SEXT %1
$sgpr0 = COPY %2
...
---
name: sext_sgpr_s1_to_sgpr_s64
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $sgpr0
; GCN-LABEL: name: sext_sgpr_s1_to_sgpr_s64
; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
; GCN: [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[DEF]], %subreg.sub1
; GCN: [[S_BFE_I64_:%[0-9]+]]:sreg_64 = S_BFE_I64 [[REG_SEQUENCE]], 65536, implicit-def $scc
; GCN: $sgpr0_sgpr1 = COPY [[S_BFE_I64_]]
%0:sgpr(s32) = COPY $sgpr0
%1:sgpr(s1) = G_TRUNC %0
%2:sgpr(s64) = G_SEXT %1
$sgpr0_sgpr1 = COPY %2
...
---
name: sext_sgpr_s16_to_sgpr_s32
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $sgpr0
; GCN-LABEL: name: sext_sgpr_s16_to_sgpr_s32
; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
; GCN: [[S_SEXT_I32_I16_:%[0-9]+]]:sreg_32 = S_SEXT_I32_I16 [[COPY]]
; GCN: $sgpr0 = COPY [[S_SEXT_I32_I16_]]
%0:sgpr(s32) = COPY $sgpr0
%1:sgpr(s16) = G_TRUNC %0
%2:sgpr(s32) = G_SEXT %1
$sgpr0 = COPY %2
...
---
name: sext_sgpr_s16_to_sgpr_s64
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $sgpr0
; GCN-LABEL: name: sext_sgpr_s16_to_sgpr_s64
; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
; GCN: [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[DEF]], %subreg.sub1
; GCN: [[S_BFE_I64_:%[0-9]+]]:sreg_64 = S_BFE_I64 [[REG_SEQUENCE]], 1048576, implicit-def $scc
; GCN: $sgpr0_sgpr1 = COPY [[S_BFE_I64_]]
%0:sgpr(s32) = COPY $sgpr0
%1:sgpr(s16) = G_TRUNC %0
%2:sgpr(s64) = G_SEXT %1
$sgpr0_sgpr1 = COPY %2
...
# ---
# name: sext_vcc_s1_to_vgpr_s32
# legalized: true
# regBankSelected: true
# body: |
# bb.0:
# liveins: $vgpr0
# %0:vgpr(s32) = COPY $vgpr0
# %1:vcc(s1) = G_ICMP intpred(eq), %0, %0
# %2:vgpr(s32) = G_SEXT %1
# $vgpr0 = COPY %2
# ...
---
name: sext_vgpr_s1_to_vgpr_s32
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $vgpr0
; GCN-LABEL: name: sext_vgpr_s1_to_vgpr_s32
; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN: [[V_BFE_I32_:%[0-9]+]]:vgpr_32 = V_BFE_I32 [[COPY]], 0, 1, implicit $exec
; GCN: $vgpr0 = COPY [[V_BFE_I32_]]
%0:vgpr(s32) = COPY $vgpr0
%1:vgpr(s1) = G_TRUNC %0
%2:vgpr(s32) = G_SEXT %1
$vgpr0 = COPY %2
...
---
name: sext_vgpr_s16_to_vgpr_s32
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $vgpr0
; GCN-LABEL: name: sext_vgpr_s16_to_vgpr_s32
; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN: [[V_BFE_I32_:%[0-9]+]]:vgpr_32 = V_BFE_I32 [[COPY]], 0, 16, implicit $exec
; GCN: $vgpr0 = COPY [[V_BFE_I32_]]
%0:vgpr(s32) = COPY $vgpr0
%1:vgpr(s16) = G_TRUNC %0
%2:vgpr(s32) = G_SEXT %1
$vgpr0 = COPY %2
...
---
name: sext_sgpr_reg_class_s1_to_sgpr_s32
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $sgpr0
; GCN-LABEL: name: sext_sgpr_reg_class_s1_to_sgpr_s32
; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
; GCN: [[S_BFE_I32_:%[0-9]+]]:sreg_32 = S_BFE_I32 [[COPY]], 65536, implicit-def $scc
; GCN: $sgpr0 = COPY [[S_BFE_I32_]]
%0:sgpr(s32) = COPY $sgpr0
%1:sreg_32(s1) = G_TRUNC %0
%2:sgpr(s32) = G_SEXT %1
$sgpr0 = COPY %2
...