regbankselect-cttz-zero-undef.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck %s
---
name: cttz_zero_undef_s32_s
legalized: true
body: |
bb.0:
liveins: $sgpr0
; CHECK-LABEL: name: cttz_zero_undef_s32_s
; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; CHECK: [[CTTZ_ZERO_UNDEF:%[0-9]+]]:sgpr(s32) = G_CTTZ_ZERO_UNDEF [[COPY]](s32)
; CHECK: S_ENDPGM 0, implicit [[CTTZ_ZERO_UNDEF]](s32)
%0:_(s32) = COPY $sgpr0
%1:_(s32) = G_CTTZ_ZERO_UNDEF %0
S_ENDPGM 0, implicit %1
...
---
name: cttz_zero_undef_s32_v
legalized: true
body: |
bb.0:
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: cttz_zero_undef_s32_v
; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK: [[CTTZ_ZERO_UNDEF:%[0-9]+]]:vgpr(s32) = G_CTTZ_ZERO_UNDEF [[COPY]](s32)
; CHECK: S_ENDPGM 0, implicit [[CTTZ_ZERO_UNDEF]](s32)
%0:_(s32) = COPY $vgpr0
%1:_(s32) = G_CTTZ_ZERO_UNDEF %0
S_ENDPGM 0, implicit %1
...
---
name: cttz_zero_undef_s64_s
legalized: true
body: |
bb.0:
liveins: $sgpr0_sgpr1
; CHECK-LABEL: name: cttz_zero_undef_s64_s
; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; CHECK: [[CTTZ_ZERO_UNDEF:%[0-9]+]]:sgpr(s32) = G_CTTZ_ZERO_UNDEF [[COPY]](s64)
; CHECK: S_ENDPGM 0, implicit [[CTTZ_ZERO_UNDEF]](s32)
%0:_(s64) = COPY $sgpr0_sgpr1
%1:_(s32) = G_CTTZ_ZERO_UNDEF %0
S_ENDPGM 0, implicit %1
...
---
name: cttz_zero_undef_s64_v
legalized: true
body: |
bb.0:
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: cttz_zero_undef_s64_v
; CHECK: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
; CHECK: [[C:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[UV]](s32), [[C]]
; CHECK: [[CTTZ_ZERO_UNDEF:%[0-9]+]]:vgpr(s32) = G_CTTZ_ZERO_UNDEF [[UV1]](s32)
; CHECK: [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 32
; CHECK: [[ADD:%[0-9]+]]:vgpr(s32) = G_ADD [[CTTZ_ZERO_UNDEF]], [[C1]]
; CHECK: [[CTTZ_ZERO_UNDEF1:%[0-9]+]]:vgpr(s32) = G_CTTZ_ZERO_UNDEF [[UV]](s32)
; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[ICMP]](s1), [[ADD]], [[CTTZ_ZERO_UNDEF1]]
; CHECK: S_ENDPGM 0, implicit [[SELECT]](s32)
%0:_(s64) = COPY $vgpr0_vgpr1
%1:_(s32) = G_CTTZ_ZERO_UNDEF %0
S_ENDPGM 0, implicit %1
...