src/llvm-project/llvm/test/CodeGen/X86/GlobalISel/legalize-select.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
# RUN: llc -mtriple=i386-linux-gnu -run-pass=legalizer %s -o - | FileCheck %s --check-prefixes=CHECK,X86
# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=legalizer %s -o - | FileCheck %s --check-prefixes=CHECK,X64

# test select

...
---
name:            test_selectp0
body:             |
  bb.1:
    ; CHECK-LABEL: name: test_selectp0
    ; CHECK: [[DEF:%[0-9]+]]:_(p0) = IMPLICIT_DEF
    ; CHECK-NEXT: [[DEF1:%[0-9]+]]:_(p0) = IMPLICIT_DEF
    ; CHECK-NEXT: [[DEF2:%[0-9]+]]:_(s1) = IMPLICIT_DEF
    ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[DEF2]](s1)
    ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(p0) = G_SELECT [[ZEXT]](s32), [[DEF1]], [[DEF]]
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY [[SELECT]](p0)
    ; CHECK-NEXT: RET 0, implicit [[COPY]](p0)
    %0:_(p0) = IMPLICIT_DEF
    %1:_(p0) = IMPLICIT_DEF
    %2:_(s1) = IMPLICIT_DEF
    %3:_(p0) = G_SELECT %2, %1, %0
    %4:_(p0) = COPY %3(p0)
    RET 0, implicit %4

...
---
name:            test_select64
body:             |
  bb.1:
    ; X86-LABEL: name: test_select64
    ; X86: [[DEF:%[0-9]+]]:_(s64) = IMPLICIT_DEF
    ; X86-NEXT: [[DEF1:%[0-9]+]]:_(s64) = IMPLICIT_DEF
    ; X86-NEXT: [[DEF2:%[0-9]+]]:_(s1) = IMPLICIT_DEF
    ; X86-NEXT: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[DEF1]](s64)
    ; X86-NEXT: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[DEF]](s64)
    ; X86-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[DEF2]](s1)
    ; X86-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ZEXT]](s32), [[UV]], [[UV2]]
    ; X86-NEXT: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[ZEXT]](s32), [[UV1]], [[UV3]]
    ; X86-NEXT: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[SELECT]](s32), [[SELECT1]](s32)
    ; X86-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY [[MV]](s64)
    ; X86-NEXT: RET 0, implicit [[COPY]](s64)
    ;
    ; X64-LABEL: name: test_select64
    ; X64: [[DEF:%[0-9]+]]:_(s64) = IMPLICIT_DEF
    ; X64-NEXT: [[DEF1:%[0-9]+]]:_(s64) = IMPLICIT_DEF
    ; X64-NEXT: [[DEF2:%[0-9]+]]:_(s1) = IMPLICIT_DEF
    ; X64-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[DEF2]](s1)
    ; X64-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[ZEXT]](s32), [[DEF1]], [[DEF]]
    ; X64-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY [[SELECT]](s64)
    ; X64-NEXT: RET 0, implicit [[COPY]](s64)
    %0:_(s64) = IMPLICIT_DEF
    %1:_(s64) = IMPLICIT_DEF
    %2:_(s1) = IMPLICIT_DEF
    %3:_(s64) = G_SELECT %2, %1, %0
    %4:_(s64) = COPY %3(s64)
    RET 0, implicit %4

...
---
name:            test_select32
body:             |
  bb.1:
    ; CHECK-LABEL: name: test_select32
    ; CHECK: [[DEF:%[0-9]+]]:_(s32) = IMPLICIT_DEF
    ; CHECK-NEXT: [[DEF1:%[0-9]+]]:_(s32) = IMPLICIT_DEF
    ; CHECK-NEXT: [[DEF2:%[0-9]+]]:_(s1) = IMPLICIT_DEF
    ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[DEF2]](s1)
    ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ZEXT]](s32), [[DEF1]], [[DEF]]
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY [[SELECT]](s32)
    ; CHECK-NEXT: RET 0, implicit [[COPY]](s32)
    %0:_(s32) = IMPLICIT_DEF
    %1:_(s32) = IMPLICIT_DEF
    %2:_(s1) = IMPLICIT_DEF
    %3:_(s32) = G_SELECT %2, %1, %0
    %4:_(s32) = COPY %3(s32)
    RET 0, implicit %4

...
---
name:            test_select16
body:             |
  bb.1:
    ; CHECK-LABEL: name: test_select16
    ; CHECK: [[DEF:%[0-9]+]]:_(s16) = IMPLICIT_DEF
    ; CHECK-NEXT: [[DEF1:%[0-9]+]]:_(s16) = IMPLICIT_DEF
    ; CHECK-NEXT: [[DEF2:%[0-9]+]]:_(s1) = IMPLICIT_DEF
    ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[DEF2]](s1)
    ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s16) = G_SELECT [[ZEXT]](s32), [[DEF1]], [[DEF]]
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY [[SELECT]](s16)
    ; CHECK-NEXT: RET 0, implicit [[COPY]](s16)
    %0:_(s16) = IMPLICIT_DEF
    %1:_(s16) = IMPLICIT_DEF
    %2:_(s1) = IMPLICIT_DEF
    %3:_(s16) = G_SELECT %2, %1, %0
    %4:_(s16) = COPY %3(s16)
    RET 0, implicit %4

...
---
name:            test_select8
body:             |
  bb.1:
    ; X86-LABEL: name: test_select8
    ; X86: [[DEF:%[0-9]+]]:_(s8) = IMPLICIT_DEF
    ; X86-NEXT: [[DEF1:%[0-9]+]]:_(s8) = IMPLICIT_DEF
    ; X86-NEXT: [[DEF2:%[0-9]+]]:_(s1) = IMPLICIT_DEF
    ; X86-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[DEF2]](s1)
    ; X86-NEXT: [[SELECT:%[0-9]+]]:_(s8) = G_SELECT [[ZEXT]](s32), [[DEF1]], [[DEF]]
    ; X86-NEXT: [[COPY:%[0-9]+]]:_(s8) = COPY [[SELECT]](s8)
    ; X86-NEXT: RET 0, implicit [[COPY]](s8)
    ;
    ; X64-LABEL: name: test_select8
    ; X64: [[DEF:%[0-9]+]]:_(s8) = IMPLICIT_DEF
    ; X64-NEXT: [[DEF1:%[0-9]+]]:_(s8) = IMPLICIT_DEF
    ; X64-NEXT: [[DEF2:%[0-9]+]]:_(s1) = IMPLICIT_DEF
    ; X64-NEXT: [[ANYEXT:%[0-9]+]]:_(s16) = G_ANYEXT [[DEF1]](s8)
    ; X64-NEXT: [[ANYEXT1:%[0-9]+]]:_(s16) = G_ANYEXT [[DEF]](s8)
    ; X64-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[DEF2]](s1)
    ; X64-NEXT: [[SELECT:%[0-9]+]]:_(s16) = G_SELECT [[ZEXT]](s32), [[ANYEXT]], [[ANYEXT1]]
    ; X64-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[SELECT]](s16)
    ; X64-NEXT: [[COPY:%[0-9]+]]:_(s8) = COPY [[TRUNC]](s8)
    ; X64-NEXT: RET 0, implicit [[COPY]](s8)
    %0:_(s8) = IMPLICIT_DEF
    %1:_(s8) = IMPLICIT_DEF
    %2:_(s1) = IMPLICIT_DEF
    %3:_(s8) = G_SELECT %2, %1, %0
    %4:_(s8) = COPY %3(s8)
    RET 0, implicit %4