test/CodeGen/X86/GlobalISel/legalize-ext-x86-64.mir

# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=legalizer %s -o - | FileCheck %s

--- |
  define i64 @test_sext_i1(i8 %a) {
    %val = trunc i8 %a to i1
    %r = sext i1 %val to i64
    ret i64 %r
  }

  define i64 @test_sext_i8(i8 %val) {
    %r = sext i8 %val to i64
    ret i64 %r
  }

  define i64 @test_sext_i16(i16 %val) {
    %r = sext i16 %val to i64
    ret i64 %r
  }

  define i64 @test_sext_i32(i32 %val) {
    %r = sext i32 %val to i64
    ret i64 %r
  }

  define i64 @test_zext_i1(i8 %a) {
    %val = trunc i8 %a to i1
    %r = zext i1 %val to i64
    ret i64 %r
  }

  define i64 @test_zext_i8(i8 %val) {
    %r = zext i8 %val to i64
    ret i64 %r
  }

  define i64 @test_zext_i16(i16 %val) {
    %r = zext i16 %val to i64
    ret i64 %r
  }

  define i64 @test_zext_i32(i32 %val) {
    %r = zext i32 %val to i64
    ret i64 %r
  }

...
---
name:            test_sext_i1
# CHECK-LABEL: name:  test_sext_i1
alignment:       4
legalized:       false
regBankSelected: false
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
# CHECK:          %0(s8) = COPY %edi
# CHECK-NEXT:     %1(s1) = G_TRUNC %0(s8)
# CHECK-NEXT:     %2(s64) = G_SEXT %1(s1)
# CHECK-NEXT:     %rax = COPY %2(s64)
# CHECK-NEXT:     RET 0, implicit %rax
body:             |
  bb.1 (%ir-block.0):
    liveins: %edi

    %0(s8) = COPY %edi
    %1(s1) = G_TRUNC %0(s8)
    %2(s64) = G_SEXT %1(s1)
    %rax = COPY %2(s64)
    RET 0, implicit %rax

...
---
name:            test_sext_i8
# CHECK-LABEL: name:  test_sext_i8
alignment:       4
legalized:       false
regBankSelected: false
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
# CHECK:          %0(s8) = COPY %edi
# CHECK-NEXT:     %1(s64) = G_SEXT %0(s8)
# CHECK-NEXT:     %rax = COPY %1(s64)
# CHECK-NEXT:     RET 0, implicit %rax
body:             |
  bb.1 (%ir-block.0):
    liveins: %edi

    %0(s8) = COPY %edi
    %1(s64) = G_SEXT %0(s8)
    %rax = COPY %1(s64)
    RET 0, implicit %rax

...
---
name:            test_sext_i16
# CHECK-LABEL: name:  test_sext_i16
alignment:       4
legalized:       false
regBankSelected: false
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
# CHECK:          %0(s16) = COPY %edi
# CHECK-NEXT:     %1(s64) = G_SEXT %0(s16)
# CHECK-NEXT:     %rax = COPY %1(s64)
# CHECK-NEXT:     RET 0, implicit %rax
body:             |
  bb.1 (%ir-block.0):
    liveins: %edi

    %0(s16) = COPY %edi
    %1(s64) = G_SEXT %0(s16)
    %rax = COPY %1(s64)
    RET 0, implicit %rax

...
---
name:            test_sext_i32
# CHECK-LABEL: name:  test_sext_i32
alignment:       4
legalized:       false
regBankSelected: false
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
# CHECK:          %0(s32) = COPY %edi
# CHECK-NEXT:     %1(s64) = G_SEXT %0(s32)
# CHECK-NEXT:     %rax = COPY %1(s64)
# CHECK-NEXT:     RET 0, implicit %rax
body:             |
  bb.1 (%ir-block.0):
    liveins: %edi

    %0(s32) = COPY %edi
    %1(s64) = G_SEXT %0(s32)
    %rax = COPY %1(s64)
    RET 0, implicit %rax

...
---
name:            test_zext_i1
# CHECK-LABEL: name:  test_zext_i1
alignment:       4
legalized:       false
regBankSelected: false
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
# CHECK:          %0(s8) = COPY %edi
# CHECK-NEXT:     %1(s1) = G_TRUNC %0(s8)
# CHECK-NEXT:     %2(s64) = G_ZEXT %1(s1)
# CHECK-NEXT:     %rax = COPY %2(s64)
# CHECK-NEXT:     RET 0, implicit %rax
body:             |
  bb.1 (%ir-block.0):
    liveins: %edi

    %0(s8) = COPY %edi
    %1(s1) = G_TRUNC %0(s8)
    %2(s64) = G_ZEXT %1(s1)
    %rax = COPY %2(s64)
    RET 0, implicit %rax

...
---
name:            test_zext_i8
# CHECK-LABEL: name:  test_zext_i8
alignment:       4
legalized:       false
regBankSelected: false
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
# CHECK:          %0(s8) = COPY %edi
# CHECK-NEXT:     %1(s64) = G_ZEXT %0(s8)
# CHECK-NEXT:     %rax = COPY %1(s64)
# CHECK-NEXT:     RET 0, implicit %rax
body:             |
  bb.1 (%ir-block.0):
    liveins: %edi

    %0(s8) = COPY %edi
    %1(s64) = G_ZEXT %0(s8)
    %rax = COPY %1(s64)
    RET 0, implicit %rax

...
---
name:            test_zext_i16
# CHECK-LABEL: name:  test_zext_i16
alignment:       4
legalized:       false
regBankSelected: false
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
# CHECK:          %0(s16) = COPY %edi
# CHECK-NEXT:     %1(s64) = G_ZEXT %0(s16)
# CHECK-NEXT:     %rax = COPY %1(s64)
# CHECK-NEXT:     RET 0, implicit %rax
body:             |
  bb.1 (%ir-block.0):
    liveins: %edi

    %0(s16) = COPY %edi
    %1(s64) = G_ZEXT %0(s16)
    %rax = COPY %1(s64)
    RET 0, implicit %rax

...
---
name:            test_zext_i32
# CHECK-LABEL: name:  test_zext_i32
alignment:       4
legalized:       false
regBankSelected: false
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
# CHECK:          %0(s32) = COPY %edi
# CHECK-NEXT:     %1(s64) = G_ZEXT %0(s32)
# CHECK-NEXT:     %rax = COPY %1(s64)
# CHECK-NEXT:     RET 0, implicit %rax
body:             |
  bb.1 (%ir-block.0):
    liveins: %edi

    %0(s32) = COPY %edi
    %1(s64) = G_ZEXT %0(s32)
    %rax = COPY %1(s64)
    RET 0, implicit %rax

...