TheRock/compiler/amd-llvm/llvm/test/CodeGen/X86/GlobalISel/select-copy.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
# RUN: llc -mtriple=i386-linux-gnu   -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,X86
# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,X64

--- |

  define void @test_copy() {
    ret void
  }

  define void @test_copy2() {
    ret void
  }

  define void @test_copy3() {
    ret void
  }

  define void @test_copy4() {
    ret void
  }

  define void @test_copy5() {
    ret void
  }

  define void @test_copy6() {
    ret void
  }

...
---
name:            test_copy
alignment:       16
legalized:       true
regBankSelected: true
registers:
  - { id: 0, class: gpr, preferred-register: '' }
  - { id: 1, class: gpr, preferred-register: '' }
body:             |
  bb.1 (%ir-block.0):
    liveins: $eax

    ; CHECK-LABEL: name: test_copy
    ; CHECK: liveins: $eax
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:gr8 = COPY $al
    ; CHECK-NEXT: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 [[COPY]]
    ; CHECK-NEXT: $eax = COPY [[MOVZX32rr8_]]
    ; CHECK-NEXT: RET 0, implicit $eax
    %0(s8) = COPY $al
    %1(s32) = G_ZEXT %0(s8)
    $eax = COPY %1(s32)
    RET 0, implicit $eax

...
---
name:            test_copy2
alignment:       16
legalized:       true
regBankSelected: true
registers:
  - { id: 0, class: gpr, preferred-register: '' }
  - { id: 1, class: gpr, preferred-register: '' }
body:             |
  bb.1 (%ir-block.0):
    liveins: $eax

    ; CHECK-LABEL: name: test_copy2
    ; CHECK: liveins: $eax
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:gr8 = COPY $al
    ; CHECK-NEXT: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 [[COPY]]
    ; CHECK-NEXT: $eax = COPY [[MOVZX32rr8_]]
    ; CHECK-NEXT: RET 0, implicit $eax
    %0(s8) = COPY $al
    %1(s32) = G_ZEXT %0(s8)
    $eax = COPY %1(s32)
    RET 0, implicit $eax

...
---
name:            test_copy3
alignment:       16
legalized:       true
regBankSelected: true
registers:
  - { id: 0, class: gpr, preferred-register: '' }
  - { id: 1, class: gpr, preferred-register: '' }
  - { id: 2, class: gpr, preferred-register: '' }
body:             |
  bb.1 (%ir-block.0):
    liveins: $eax

    ; X86-LABEL: name: test_copy3
    ; X86: liveins: $eax
    ; X86-NEXT: {{  $}}
    ; X86-NEXT: [[COPY:%[0-9]+]]:gr16 = COPY $ax
    ; X86-NEXT: [[COPY1:%[0-9]+]]:gr16_abcd = COPY [[COPY]]
    ; X86-NEXT: [[COPY2:%[0-9]+]]:gr8_abcd_l = COPY [[COPY1]].sub_8bit
    ; X86-NEXT: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 [[COPY2]]
    ; X86-NEXT: $eax = COPY [[MOVZX32rr8_]]
    ; X86-NEXT: RET 0, implicit $eax
    ;
    ; X64-LABEL: name: test_copy3
    ; X64: liveins: $eax
    ; X64-NEXT: {{  $}}
    ; X64-NEXT: [[COPY:%[0-9]+]]:gr16 = COPY $ax
    ; X64-NEXT: [[COPY1:%[0-9]+]]:gr8 = COPY [[COPY]].sub_8bit
    ; X64-NEXT: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 [[COPY1]]
    ; X64-NEXT: $eax = COPY [[MOVZX32rr8_]]
    ; X64-NEXT: RET 0, implicit $eax
    %0(s16) = COPY $ax
    %1(s8) = G_TRUNC %0(s16)
    %2(s32) = G_ZEXT %1(s8)
    $eax = COPY %2(s32)
    RET 0, implicit $eax

...
---
name:            test_copy4
alignment:       16
legalized:       true
regBankSelected: true
registers:
  - { id: 0, class: gpr, preferred-register: '' }
  - { id: 1, class: gpr, preferred-register: '' }
  - { id: 2, class: gpr, preferred-register: '' }
body:             |
  bb.1 (%ir-block.0):
    liveins: $eax

    ; CHECK-LABEL: name: test_copy4
    ; CHECK: liveins: $eax
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:gr32 = COPY $eax
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr16 = COPY [[COPY]].sub_16bit
    ; CHECK-NEXT: [[MOVZX32rr16_:%[0-9]+]]:gr32 = MOVZX32rr16 [[COPY1]]
    ; CHECK-NEXT: $eax = COPY [[MOVZX32rr16_]]
    ; CHECK-NEXT: RET 0, implicit $eax
    %0(s32) = COPY $eax
    %1(s16) = G_TRUNC %0(s32)
    %2(s32) = G_ZEXT %1(s16)
    $eax = COPY %2(s32)
    RET 0, implicit $eax

...
---
name:            test_copy5
alignment:       16
legalized:       true
regBankSelected: true
registers:
  - { id: 0, class: gpr, preferred-register: '' }
  - { id: 1, class: gpr, preferred-register: '' }
  - { id: 2, class: gpr, preferred-register: '' }
body:             |
  bb.1 (%ir-block.0):
    liveins: $eax,$edx

    ; X86-LABEL: name: test_copy5
    ; X86: liveins: $eax, $edx
    ; X86-NEXT: {{  $}}
    ; X86-NEXT: [[COPY:%[0-9]+]]:gr32 = COPY $edx
    ; X86-NEXT: [[COPY1:%[0-9]+]]:gr32_abcd = COPY [[COPY]]
    ; X86-NEXT: [[COPY2:%[0-9]+]]:gr8_abcd_l = COPY [[COPY1]].sub_8bit
    ; X86-NEXT: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 [[COPY2]]
    ; X86-NEXT: $eax = COPY [[MOVZX32rr8_]]
    ; X86-NEXT: RET 0, implicit $eax
    ;
    ; X64-LABEL: name: test_copy5
    ; X64: liveins: $eax, $edx
    ; X64-NEXT: {{  $}}
    ; X64-NEXT: [[COPY:%[0-9]+]]:gr32 = COPY $edx
    ; X64-NEXT: [[COPY1:%[0-9]+]]:gr8 = COPY [[COPY]].sub_8bit
    ; X64-NEXT: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 [[COPY1]]
    ; X64-NEXT: $eax = COPY [[MOVZX32rr8_]]
    ; X64-NEXT: RET 0, implicit $eax
    %0(s32) = COPY $edx
    %1(s8) = G_TRUNC %0(s32)
    %2(s32) = G_ANYEXT %1(s8)
    $eax = COPY %2(s32)
    RET 0, implicit $eax

...
---
name:            test_copy6
alignment:       16
legalized:       true
regBankSelected: true
registers:
  - { id: 0, class: gpr, preferred-register: '' }
  - { id: 1, class: gpr, preferred-register: '' }
  - { id: 2, class: gpr, preferred-register: '' }
body:             |
  bb.1 (%ir-block.0):
    liveins: $eax,$edx

    ; CHECK-LABEL: name: test_copy6
    ; CHECK: liveins: $eax, $edx
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:gr32 = COPY $edx
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr16 = COPY [[COPY]].sub_16bit
    ; CHECK-NEXT: [[DEF:%[0-9]+]]:low32_addr_access_rbp = IMPLICIT_DEF
    ; CHECK-NEXT: [[INSERT_SUBREG:%[0-9]+]]:low32_addr_access_rbp = INSERT_SUBREG [[DEF]], [[COPY1]], %subreg.sub_16bit
    ; CHECK-NEXT: $eax = COPY [[INSERT_SUBREG]]
    ; CHECK-NEXT: RET 0, implicit $eax
    %0(s32) = COPY $edx
    %1(s16) = G_TRUNC %0(s32)
    %2(s32) = G_ANYEXT %1(s16)
    $eax = COPY %2(s32)
    RET 0, implicit $eax

...