legalize-ctlz.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer %s -o - | FileCheck %s
---
name: ctlz_s32_s32
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: ctlz_s32_s32
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
; CHECK: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[COPY]](s32)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[C]]
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C1]], [[CTLZ_ZERO_UNDEF]]
; CHECK: $vgpr0 = COPY [[SELECT]](s32)
%0:_(s32) = COPY $vgpr0
%1:_(s32) = G_CTLZ %0
$vgpr0 = COPY %1
...
---
name: ctlz_s32_s64
body: |
bb.0:
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: ctlz_s32_s64
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
; CHECK: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[COPY]](s64)
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[COPY]](s64), [[C]]
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 64
; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C1]], [[CTLZ_ZERO_UNDEF]]
; CHECK: $vgpr0 = COPY [[SELECT]](s32)
%0:_(s64) = COPY $vgpr0_vgpr1
%1:_(s32) = G_CTLZ %0
$vgpr0 = COPY %1
...
---
name: ctlz_s64_s64
body: |
bb.0:
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: ctlz_s64_s64
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
; CHECK: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[COPY]](s64)
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[COPY]](s64), [[C]]
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 64
; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C1]], [[CTLZ_ZERO_UNDEF]]
; CHECK: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[SELECT]](s32)
; CHECK: $vgpr0_vgpr1 = COPY [[ZEXT]](s64)
%0:_(s64) = COPY $vgpr0_vgpr1
%1:_(s64) = G_CTLZ %0
$vgpr0_vgpr1 = COPY %1
...
---
name: ctlz_s16_s32
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: ctlz_s16_s32
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
; CHECK: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[COPY]](s32)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[C]]
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C1]], [[CTLZ_ZERO_UNDEF]]
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[SELECT]](s32)
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C2]]
; CHECK: $vgpr0 = COPY [[AND]](s32)
%0:_(s32) = COPY $vgpr0
%1:_(s16) = G_CTLZ %0
%2:_(s32) = G_ZEXT %1
$vgpr0 = COPY %2
...
---
name: ctlz_s16_s16
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: ctlz_s16_s16
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C]]
; CHECK: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[AND]](s32)
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AND]](s32), [[C1]]
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C2]], [[CTLZ_ZERO_UNDEF]]
; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[SELECT]], [[C3]]
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C]]
; CHECK: $vgpr0 = COPY [[AND1]](s32)
%0:_(s32) = COPY $vgpr0
%1:_(s16) = G_TRUNC %0
%2:_(s16) = G_CTLZ %1
%3:_(s32) = G_ZEXT %2
$vgpr0 = COPY %3
...
---
name: ctlz_v2s32_v2s32
body: |
bb.0:
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: ctlz_v2s32_v2s32
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
; CHECK: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[UV]](s32)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[UV]](s32), [[C]]
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C1]], [[CTLZ_ZERO_UNDEF]]
; CHECK: [[CTLZ_ZERO_UNDEF1:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[UV1]](s32)
; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[UV1]](s32), [[C]]
; CHECK: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[ICMP1]](s1), [[C1]], [[CTLZ_ZERO_UNDEF1]]
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[SELECT]](s32), [[SELECT1]](s32)
; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
%0:_(<2 x s32>) = COPY $vgpr0_vgpr1
%1:_(<2 x s32>) = G_CTLZ %0
$vgpr0_vgpr1 = COPY %1
...
---
name: ctlz_v2s32_v2s64
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3
; CHECK-LABEL: name: ctlz_v2s32_v2s64
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>)
; CHECK: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[UV]](s64)
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[UV]](s64), [[C]]
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 64
; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C1]], [[CTLZ_ZERO_UNDEF]]
; CHECK: [[CTLZ_ZERO_UNDEF1:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[UV1]](s64)
; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[UV1]](s64), [[C]]
; CHECK: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[ICMP1]](s1), [[C1]], [[CTLZ_ZERO_UNDEF1]]
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[SELECT]](s32), [[SELECT1]](s32)
; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
%0:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
%1:_(<2 x s32>) = G_CTLZ %0
$vgpr0_vgpr1 = COPY %1
...
---
name: ctlz_v2s16_v2s16
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: ctlz_v2s16_v2s16
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
; CHECK: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
; CHECK: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[AND]](s32)
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AND]](s32), [[C2]]
; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C3]], [[CTLZ_ZERO_UNDEF]]
; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[SELECT]], [[C]]
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
; CHECK: [[CTLZ_ZERO_UNDEF1:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[AND1]](s32)
; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AND1]](s32), [[C2]]
; CHECK: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[ICMP1]](s1), [[C3]], [[CTLZ_ZERO_UNDEF1]]
; CHECK: [[SUB1:%[0-9]+]]:_(s32) = G_SUB [[SELECT1]], [[C]]
; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[SUB1]](s32)
; CHECK: [[COPY5:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
; CHECK: [[COPY6:%[0-9]+]]:_(s32) = COPY [[COPY4]](s32)
; CHECK: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C]](s32)
; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL]]
; CHECK: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
; CHECK: $vgpr0 = COPY [[BITCAST1]](<2 x s16>)
%0:_(<2 x s16>) = COPY $vgpr0
%1:_(<2 x s16>) = G_CTLZ %0
$vgpr0 = COPY %1
...
---
name: ctlz_s7_s7
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: ctlz_s7_s7
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 127
; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C]]
; CHECK: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[AND]](s32)
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AND]](s32), [[C1]]
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C2]], [[CTLZ_ZERO_UNDEF]]
; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 25
; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[SELECT]], [[C3]]
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C]]
; CHECK: $vgpr0 = COPY [[AND1]](s32)
%0:_(s32) = COPY $vgpr0
%1:_(s7) = G_TRUNC %0
%2:_(s7) = G_CTLZ %1
%3:_(s32) = G_ZEXT %2
$vgpr0 = COPY %3
...
---
name: ctlz_s33_s33
body: |
bb.0:
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: ctlz_s33_s33
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8589934591
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY [[COPY]](s64)
; CHECK: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY1]], [[C]]
; CHECK: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[AND]](s64)
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AND]](s64), [[C1]]
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 64
; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C2]], [[CTLZ_ZERO_UNDEF]]
; CHECK: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[SELECT]](s32)
; CHECK: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 31
; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[ZEXT]](s64)
; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[C3]](s64)
; CHECK: [[USUBO:%[0-9]+]]:_(s32), [[USUBO1:%[0-9]+]]:_(s1) = G_USUBO [[UV]], [[UV2]]
; CHECK: [[USUBE:%[0-9]+]]:_(s32), [[USUBE1:%[0-9]+]]:_(s1) = G_USUBE [[UV1]], [[UV3]], [[USUBO1]]
; CHECK: [[ZEXT1:%[0-9]+]]:_(s64) = G_ZEXT [[USUBO]](s32)
; CHECK: $vgpr0_vgpr1 = COPY [[ZEXT1]](s64)
%0:_(s64) = COPY $vgpr0_vgpr1
%1:_(s33) = G_TRUNC %0
%2:_(s33) = G_CTLZ %1
%3:_(s64) = G_ANYEXT %2
$vgpr0_vgpr1 = COPY %3
...
# ---
# name: ctlz_v2s7_v2s7
# body: |
# bb.0:
# liveins: $vgpr0
# %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
# %1:_(<2 x s7>) = G_TRUNC %0
# %2:_(<2 x s7>) = G_CTLZ %1
# %3:_(<2 x s32>) = G_ANYEXT %2
# $vgpr0_vgpr1 = COPY %3
# ...