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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/GlobalISel/legalize-cttz-zero-poison.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64 -global-isel -verify-machineinstrs -run-pass=legalizer %s -o - | FileCheck %s
# RUN: llc -mtriple=aarch64 -global-isel -verify-machineinstrs -mattr=+cssc -run-pass=legalizer %s -o - | FileCheck %s --check-prefix=CHECK-CSSC
...
---
name: s8
tracksRegLiveness: true
body: |
bb.0:
liveins: $w0
; CHECK-LABEL: name: s8
; CHECK: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 256
; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[DEF]], [[C]]
; CHECK-NEXT: [[BITREVERSE:%[0-9]+]]:_(s32) = G_BITREVERSE [[OR]]
; CHECK-NEXT: [[CTLZ:%[0-9]+]]:_(s32) = G_CTLZ [[BITREVERSE]](s32)
; CHECK-NEXT: $w0 = COPY [[CTLZ]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
;
; CHECK-CSSC-LABEL: name: s8
; CHECK-CSSC: liveins: $w0
; CHECK-CSSC-NEXT: {{ $}}
; CHECK-CSSC-NEXT: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; CHECK-CSSC-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 256
; CHECK-CSSC-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[DEF]], [[C]]
; CHECK-CSSC-NEXT: [[CTTZ:%[0-9]+]]:_(s32) = G_CTTZ [[OR]](s32)
; CHECK-CSSC-NEXT: $w0 = COPY [[CTTZ]](s32)
; CHECK-CSSC-NEXT: RET_ReallyLR implicit $w0
%val:_(s8) = G_IMPLICIT_DEF
%cttz:_(s8) = G_CTTZ_ZERO_POISON %val(s8)
%ext:_(s32) = G_ANYEXT %cttz(s8)
$w0 = COPY %ext(s32)
RET_ReallyLR implicit $w0
...
---
name: s16
tracksRegLiveness: true
body: |
bb.0:
liveins: $w0
; CHECK-LABEL: name: s16
; CHECK: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65536
; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[DEF]], [[C]]
; CHECK-NEXT: [[BITREVERSE:%[0-9]+]]:_(s32) = G_BITREVERSE [[OR]]
; CHECK-NEXT: [[CTLZ:%[0-9]+]]:_(s32) = G_CTLZ [[BITREVERSE]](s32)
; CHECK-NEXT: $w0 = COPY [[CTLZ]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
;
; CHECK-CSSC-LABEL: name: s16
; CHECK-CSSC: liveins: $w0
; CHECK-CSSC-NEXT: {{ $}}
; CHECK-CSSC-NEXT: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; CHECK-CSSC-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65536
; CHECK-CSSC-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[DEF]], [[C]]
; CHECK-CSSC-NEXT: [[CTTZ:%[0-9]+]]:_(s32) = G_CTTZ [[OR]](s32)
; CHECK-CSSC-NEXT: $w0 = COPY [[CTTZ]](s32)
; CHECK-CSSC-NEXT: RET_ReallyLR implicit $w0
%val:_(s16) = G_IMPLICIT_DEF
%cttz:_(s16) = G_CTTZ_ZERO_POISON %val(s16)
%ext:_(s32) = G_ANYEXT %cttz(s16)
$w0 = COPY %ext(s32)
RET_ReallyLR implicit $w0
...
---
name: s32
alignment: 4
tracksRegLiveness: true
body: |
bb.0:
liveins: $w0
; CHECK-LABEL: name: s32
; CHECK: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %val:_(s32) = COPY $w0
; CHECK-NEXT: [[BITREVERSE:%[0-9]+]]:_(s32) = G_BITREVERSE %val
; CHECK-NEXT: [[CTLZ:%[0-9]+]]:_(s32) = G_CTLZ [[BITREVERSE]](s32)
; CHECK-NEXT: $w0 = COPY [[CTLZ]](s32)
; CHECK-NEXT: RET_ReallyLR implicit $w0
;
; CHECK-CSSC-LABEL: name: s32
; CHECK-CSSC: liveins: $w0
; CHECK-CSSC-NEXT: {{ $}}
; CHECK-CSSC-NEXT: %val:_(s32) = COPY $w0
; CHECK-CSSC-NEXT: [[CTTZ:%[0-9]+]]:_(s32) = G_CTTZ %val(s32)
; CHECK-CSSC-NEXT: $w0 = COPY [[CTTZ]](s32)
; CHECK-CSSC-NEXT: RET_ReallyLR implicit $w0
%val:_(s32) = COPY $w0
%1:_(s32) = G_CTTZ_ZERO_POISON %val(s32)
$w0 = COPY %1(s32)
RET_ReallyLR implicit $w0
...
---
name: s64
alignment: 4
tracksRegLiveness: true
body: |
bb.0:
liveins: $x0
; CHECK-LABEL: name: s64
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %val:_(s64) = COPY $x0
; CHECK-NEXT: [[BITREVERSE:%[0-9]+]]:_(s64) = G_BITREVERSE %val
; CHECK-NEXT: [[CTLZ:%[0-9]+]]:_(s64) = G_CTLZ [[BITREVERSE]](s64)
; CHECK-NEXT: $x0 = COPY [[CTLZ]](s64)
; CHECK-NEXT: RET_ReallyLR implicit $x0
;
; CHECK-CSSC-LABEL: name: s64
; CHECK-CSSC: liveins: $x0
; CHECK-CSSC-NEXT: {{ $}}
; CHECK-CSSC-NEXT: %val:_(s64) = COPY $x0
; CHECK-CSSC-NEXT: [[CTTZ:%[0-9]+]]:_(s64) = G_CTTZ %val(s64)
; CHECK-CSSC-NEXT: $x0 = COPY [[CTTZ]](s64)
; CHECK-CSSC-NEXT: RET_ReallyLR implicit $x0
%val:_(s64) = COPY $x0
%1:_(s64) = G_CTTZ_ZERO_POISON %val(s64)
$x0 = COPY %1(s64)
RET_ReallyLR implicit $x0
...