llvm-project/llvm/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir

# RUN: llc -mtriple arm-- -global-isel -run-pass=legalizer %s -o - | FileCheck %s
--- |
  define void @test_sext_s8() { ret void }
  define void @test_zext_s16() { ret void }

  define void @test_add_s8() { ret void }
  define void @test_add_s16() { ret void }
  define void @test_add_s32() { ret void }

  define void @test_load_from_stack() { ret void }
  define void @test_legal_loads() #0 { ret void }
  define void @test_legal_stores() #0 { ret void }

  define void @test_gep() { ret void }

  define void @test_constants() { ret void }

  define void @test_fadd_s32() #0 { ret void }
  define void @test_fadd_s64() #0 { ret void }

  attributes #0 = { "target-features"="+vfp2" }
...
---
name:            test_sext_s8
# CHECK-LABEL: name: test_sext_s8
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
body:             |
  bb.0:
    liveins: %r0

    %0(s8) = COPY %r0
    %1(s32) = G_SEXT %0
    ; G_SEXT with s8 is legal, so we should find it unchanged in the output
    ; CHECK: {{%[0-9]+}}(s32) = G_SEXT {{%[0-9]+}}
    %r0 = COPY %1(s32)
    BX_RET 14, _, implicit %r0
...
---
name:            test_zext_s16
# CHECK-LABEL: name: test_zext_s16
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
body:             |
  bb.0:
    liveins: %r0

    %0(s16) = COPY %r0
    %1(s32) = G_ZEXT %0
    ; G_ZEXT with s16 is legal, so we should find it unchanged in the output
    ; CHECK: {{%[0-9]+}}(s32) = G_ZEXT {{%[0-9]+}}
    %r0 = COPY %1(s32)
    BX_RET 14, _, implicit %r0
...
---
name:            test_add_s8
# CHECK-LABEL: name: test_add_s8
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
body:             |
  bb.0:
    liveins: %r0, %r1

    %0(s8) = COPY %r0
    %1(s8) = COPY %r1
    %2(s8) = G_ADD %0, %1
    ; G_ADD with s8 is legal, so we should find it unchanged in the output
    ; CHECK: {{%[0-9]+}}(s8) = G_ADD {{%[0-9]+, %[0-9]+}}
    %r0 = COPY %2(s8)
    BX_RET 14, _, implicit %r0
...
---
name:            test_add_s16
# CHECK-LABEL: name: test_add_s16
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
body:             |
  bb.0:
    liveins: %r0, %r1

    %0(s16) = COPY %r0
    %1(s16) = COPY %r1
    %2(s16) = G_ADD %0, %1
    ; G_ADD with s16 is legal, so we should find it unchanged in the output
    ; CHECK: {{%[0-9]+}}(s16) = G_ADD {{%[0-9]+, %[0-9]+}}
    %r0 = COPY %2(s16)
    BX_RET 14, _, implicit %r0

...
---
name:            test_add_s32
# CHECK-LABEL: name: test_add_s32
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
body:             |
  bb.0:
    liveins: %r0, %r1

    %0(s32) = COPY %r0
    %1(s32) = COPY %r1
    %2(s32) = G_ADD %0, %1
    ; G_ADD with s32 is legal, so we should find it unchanged in the output
    ; CHECK: {{%[0-9]+}}(s32) = G_ADD {{%[0-9]+, %[0-9]+}}
    %r0 = COPY %2(s32)
    BX_RET 14, _, implicit %r0

...
---
name:            test_load_from_stack
# CHECK-LABEL: name: test_load_from_stack
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
  - { id: 3, class: _ }
fixedStack:
  - { id: 0, offset: 0, size: 4, alignment: 4, isImmutable: true, isAliased: false }
  - { id: 1, offset: 4, size: 4, alignment: 4, isImmutable: true, isAliased: false }
  - { id: 2, offset: 8, size: 4, alignment: 4, isImmutable: true, isAliased: false }
  # CHECK: id: [[FRAME_INDEX:[0-9]+]], offset: 8
body:             |
  bb.0:
    liveins: %r0, %r1, %r2, %r3

    ; This is legal, so we should find it unchanged in the output
    ; CHECK: [[FIVREG:%[0-9]+]](p0) = G_FRAME_INDEX %fixed-stack.[[FRAME_INDEX]]
    ; CHECK: {{%[0-9]+}}(s32) = G_LOAD [[FIVREG]](p0) :: (load 4)
    %0(p0) = G_FRAME_INDEX %fixed-stack.2
    %1(s32) = G_LOAD %0(p0) :: (load 4)
    BX_RET 14, _
...
---
name:            test_legal_loads
# CHECK-LABEL: name: test_legal_loads
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
  - { id: 3, class: _ }
  - { id: 4, class: _ }
  - { id: 5, class: _ }
  - { id: 6, class: _ }
body:             |
  bb.0:
    liveins: %r0, %r1, %r2, %r3

    ; These are all legal, so we should find them unchanged in the output
    ; CHECK-DAG: {{%[0-9]+}}(s64) = G_LOAD %0
    ; CHECK-DAG: {{%[0-9]+}}(s32) = G_LOAD %0
    ; CHECK-DAG: {{%[0-9]+}}(s16) = G_LOAD %0
    ; CHECK-DAG: {{%[0-9]+}}(s8) = G_LOAD %0
    ; CHECK-DAG: {{%[0-9]+}}(s1) = G_LOAD %0
    ; CHECK-DAG: {{%[0-9]+}}(p0) = G_LOAD %0
    %0(p0) = COPY %r0
    %1(s32) = G_LOAD %0(p0) :: (load 4)
    %2(s16) = G_LOAD %0(p0) :: (load 2)
    %3(s8)  = G_LOAD %0(p0) :: (load 1)
    %4(s1)  = G_LOAD %0(p0) :: (load 1)
    %5(p0)  = G_LOAD %0(p0) :: (load 4)
    %6(s64) = G_LOAD %0(p0) :: (load 8)
    BX_RET 14, _
...
---
name:            test_legal_stores
# CHECK-LABEL: name: test_legal_stores
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
  - { id: 3, class: _ }
  - { id: 4, class: _ }
  - { id: 5, class: _ }
  - { id: 6, class: _ }
body:             |
  bb.0:
    liveins: %r0, %r1, %r2, %r3, %r4, %r5, %r6, %d1

    ; These are all legal, so we should find them unchanged in the output
    ; CHECK-DAG: G_STORE {{%[0-9]+}}(s64), %0(p0)
    ; CHECK-DAG: G_STORE {{%[0-9]+}}(s32), %0(p0)
    ; CHECK-DAG: G_STORE {{%[0-9]+}}(s16), %0(p0)
    ; CHECK-DAG: G_STORE {{%[0-9]+}}(s8), %0(p0)
    ; CHECK-DAG: G_STORE {{%[0-9]+}}(s1), %0(p0)
    ; CHECK-DAG: G_STORE {{%[0-9]+}}(p0), %0(p0)
    %0(p0) = COPY %r0
    %1(s64) = COPY %d1
    G_STORE %1(s64), %0(p0) :: (store 8)
    %2(s32) = COPY %r2
    G_STORE %2(s32), %0(p0) :: (store 4)
    %3(s16) = COPY %r3
    G_STORE %3(s16), %0(p0) :: (store 2)
    %4(s8) = COPY %r4
    G_STORE %4(s8), %0(p0) :: (store 1)
    %5(s1) = COPY %r5
    G_STORE %5(s1), %0(p0) :: (store 1)
    %6(p0) = COPY %r6
    G_STORE %6(p0), %0(p0) :: (store 4)
    BX_RET 14, _
...
---
name:            test_gep
# CHECK-LABEL: name: test_gep
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
body:             |
  bb.0:
    liveins: %r0, %r1

    %0(p0) = COPY %r0
    %1(s32) = COPY %r1

    ; CHECK: {{%[0-9]+}}(p0) = G_GEP {{%[0-9]+}}, {{%[0-9]+}}(s32)
    %2(p0) = G_GEP %0, %1(s32)

    %r0 = COPY %2(p0)
    BX_RET 14, _, implicit %r0
...
---
name:            test_constants
# CHECK-LABEL: name: test_constants
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
body:             |
  bb.0:
    %0(s32) = G_CONSTANT 42
    ; CHECK: {{%[0-9]+}}(s32) = G_CONSTANT 42

    %r0 = COPY %0(s32)
    BX_RET 14, _, implicit %r0
...
---
name:            test_fadd_s32
# CHECK-LABEL: name: test_fadd_s32
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
body:             |
  bb.0:
    liveins: %r0, %r1

    %0(s32) = COPY %r0
    %1(s32) = COPY %r1
    %2(s32) = G_FADD %0, %1
    ; G_FADD with s32 is legal, so we should find it unchanged in the output
    ; CHECK: {{%[0-9]+}}(s32) = G_FADD {{%[0-9]+, %[0-9]+}}
    %r0 = COPY %2(s32)
    BX_RET 14, _, implicit %r0

...
---
name:            test_fadd_s64
# CHECK-LABEL: name: test_fadd_s64
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
body:             |
  bb.0:
    liveins: %d0, %d1

    %0(s64) = COPY %d0
    %1(s64) = COPY %d1
    %2(s64) = G_FADD %0, %1
    ; G_FADD with s64 is legal, so we should find it unchanged in the output
    ; CHECK: {{%[0-9]+}}(s64) = G_FADD {{%[0-9]+, %[0-9]+}}
    %d0 = COPY %2(s64)
    BX_RET 14, _, implicit %d0

...