third_party/llvm-7.0/llvm/test/CodeGen/AArch64/GlobalISel/machine-cse-mid-pipeline.mir

# RUN: llc -run-pass machine-cse -verify-machineinstrs -mtriple aarch64-apple-ios %s -o - | FileCheck %s
---
name:            irtranslated
legalized:       false
regBankSelected: false
selected:        false
body:             |
  ; CHECK-LABEL: name: irtranslated
  ; CHECK:      %[[ONE:[0-9]+]]:_(s32) = G_CONSTANT i32 1
  ; CHECK-NEXT: %[[TWO:[0-9]+]]:_(s32) = G_ADD %[[ONE]], %[[ONE]]
  ; CHECK-NEXT: %[[SUM:[0-9]+]]:_(s32) = G_ADD %[[TWO]], %[[TWO]]
  ; CHECK-NEXT: $[[RET:[wx][0-9]+]] = COPY %[[SUM]](s32)
  ; CHECK-NEXT: RET_ReallyLR implicit $[[RET]]
  bb.0:
    %0:_(s32) = G_CONSTANT i32 1
    %1:_(s32) = G_ADD %0, %0
    %2:_(s32) = G_ADD %0, %0
    %3:_(s32) = G_ADD %1, %2
    $w0 = COPY %3(s32)
    RET_ReallyLR implicit $w0
...
---
name:            regbankselected
legalized:       true
regBankSelected: true
selected:        false
body:             |
  ; CHECK-LABEL: name: regbankselected
  ; CHECK:      %[[ONE:[0-9]+]]:gpr(s32) = G_CONSTANT i32 1
  ; CHECK-NEXT: %[[TWO:[0-9]+]]:gpr(s32) = G_ADD %[[ONE]], %[[ONE]]
  ; CHECK-NEXT: %[[SUM:[0-9]+]]:gpr(s32) = G_ADD %[[TWO]], %[[TWO]]
  ; CHECK-NEXT: $[[RET:[wx][0-9]+]] = COPY %[[SUM]](s32)
  ; CHECK-NEXT: RET_ReallyLR implicit $[[RET]]
  bb.0:
    %0:gpr(s32) = G_CONSTANT i32 1
    %1:gpr(s32) = G_ADD %0, %0
    %2:gpr(s32) = G_ADD %0, %0
    %3:gpr(s32) = G_ADD %1, %2
    $w0 = COPY %3(s32)
    RET_ReallyLR implicit $w0
...
---
name:            legalized
legalized:       true
regBankSelected: false
selected:        false
body:             |
  ; CHECK-LABEL: name: legalized
  ; CHECK:      %[[ONE:[0-9]+]]:_(s32) = G_CONSTANT i32 1
  ; CHECK-NEXT: %[[TWO:[0-9]+]]:gpr(s32) = G_ADD %[[ONE]], %[[ONE]]
  ; CHECK-NEXT: %[[SUM:[0-9]+]]:_(s32) = G_ADD %[[TWO]], %[[TWO]]
  ; CHECK-NEXT: $[[RET:[wx][0-9]+]] = COPY %[[SUM]](s32)
  ; CHECK-NEXT: RET_ReallyLR implicit $[[RET]]
  bb.0:
    %0:_(s32) = G_CONSTANT i32 1
    %1:_(s32) = G_ADD %0, %0
    %2:gpr(s32) = G_ADD %0, %0
    %3:_(s32) = G_ADD %1, %2
    $w0 = COPY %3(s32)
    RET_ReallyLR implicit $w0
...
---
name:            legalized_sym
legalized:       true
regBankSelected: false
selected:        false
body:             |
  ; CHECK-LABEL: name: legalized_sym
  ; CHECK:      %[[ONE:[0-9]+]]:_(s32) = G_CONSTANT i32 1
  ; CHECK-NEXT: %[[TWO:[0-9]+]]:gpr(s32) = G_ADD %[[ONE]], %[[ONE]]
  ; CHECK-NEXT: %[[SUM:[0-9]+]]:_(s32) = G_ADD %[[TWO]], %[[TWO]]
  ; CHECK-NEXT: $[[RET:[wx][0-9]+]] = COPY %[[SUM]](s32)
  ; CHECK-NEXT: RET_ReallyLR implicit $[[RET]]
  bb.0:
    %0:_(s32) = G_CONSTANT i32 1
    %1:gpr(s32) = G_ADD %0, %0
    %2:_(s32) = G_ADD %0, %0
    %3:_(s32) = G_ADD %1, %2
    $w0 = COPY %3(s32)
    RET_ReallyLR implicit $w0
...
---
name:            int_extensions
alignment:       2
legalized:       false
regBankSelected: false
selected:        false
body:             |
  ; CHECK-LABEL: name: int_extensions
  ; CHECK:      %[[ONE:[0-9]+]]:_(s8) = G_CONSTANT i8 1
  ; CHECK-NEXT: %[[S16:[0-9]+]]:_(s16) = G_SEXT %[[ONE]](s8)
  ; CHECK-NEXT: %[[S32:[0-9]+]]:_(s32) = G_SEXT %[[ONE]](s8)
  ; CHECK-NEXT: %[[S16_Z64:[0-9]+]]:_(s64) = G_ZEXT %[[S16]](s16)
  ; CHECK-NEXT: %[[S32_Z64:[0-9]+]]:_(s64) = G_ZEXT %[[S32]](s32)
  ; CHECK-NEXT: %[[SUM:[0-9]+]]:_(s64) = G_ADD %[[S16_Z64]], %[[S32_Z64]]
  ; CHECK-NEXT: $[[RET:[wx][0-9]+]] = COPY %[[SUM]](s64)
  ; CHECK-NEXT: RET_ReallyLR implicit $[[RET]]
  bb.0.entry:
    %0:_(s8) = G_CONSTANT i8 1
    %1:_(s16) = G_SEXT %0(s8)
    %2:_(s32) = G_SEXT %0(s8)
    %3:_(s64) = G_ZEXT %1(s16)
    %4:_(s64) = G_ZEXT %2(s32)
    %5:_(s64) = G_ADD %3, %4
    $x0 = COPY %5(s64)
    RET_ReallyLR implicit $x0
...
---
name:            generic
legalized:       true
regBankSelected: false
selected:        false
body:             |
  ; CHECK-LABEL: name: generic
  ; CHECK:      %[[SG:[0-9]+]]:_(s32) = G_ADD %{{[0-9]+}}, %{{[0-9]+}}
  ; CHECK-NEXT: %{{[0-9]+}}:_(s32) = G_ADD %[[SG]], %[[SG]]
  bb.0:
    %0:_(s32) = COPY $w0
    %1:_(s32) = COPY $w1
    %2:_(s32) = G_ADD %0, %1
    %3:_(s32) = COPY %2(s32)
    %4:_(s32) = G_ADD %3, %3
    $w0 = COPY %4(s32)
    RET_ReallyLR implicit $w0
...
---
name:            generic_to_concrete_copy
legalized:       true
regBankSelected: false
selected:        false
body:             |
  ; CHECK-LABEL: name: generic_to_concrete_copy
  ; CHECK:      %[[S1:[0-9]+]]:_(s32) = G_ADD %{{[0-9]+}}, %{{[0-9]+}}
  ; CHECK-NEXT: %[[S2:[0-9]+]]:gpr32 = COPY %[[S1]](s32)
  ; CHECK-NEXT: %{{[0-9]+}}:gpr32 = ADDWrr %[[S2]], %[[S2]]
  bb.0:
    %0:_(s32) = COPY $w0
    %1:_(s32) = COPY $w1
    %2:_(s32) = G_ADD %0, %1
    %3:gpr32 = COPY %2(s32)
    %4:gpr32 = ADDWrr %3, %3
    $w0 = COPY %4
    RET_ReallyLR implicit $w0
...
---
name:            concrete_to_generic_copy
legalized:       true
regBankSelected: false
selected:        false
body:             |
  ; CHECK-LABEL: name: concrete_to_generic_copy
  ; CHECK:      %[[S1:[0-9]+]]:gpr32 = ADDWrr %{{[0-9]+}}, %{{[0-9]+}}
  ; CHECK-NEXT: %[[S2:[0-9]+]]:_(s32) = COPY %[[S1]]
  ; CHECK-NEXT: %{{[0-9]+}}:_(s32) = G_ADD %[[S2]], %[[S2]]
  bb.0:
    %0:gpr32 = COPY $w0
    %1:gpr32 = COPY $w1
    %2:gpr32 = ADDWrr %0, %1
    %3:_(s32) = COPY %2
    %4:_(s32) = G_ADD %3, %3
    $w0 = COPY %4(s32)
    RET_ReallyLR implicit $w0
...
---
name:            concrete
legalized:       true
regBankSelected: false
selected:        false
body:             |
  ; CHECK-LABEL: name: concrete
  ; CHECK:      %[[SC:[0-9]+]]:gpr32 = ADDWrr %{{[0-9]+}}, %{{[0-9]+}}
  ; CHECK-NEXT: %{{[0-9]+}}:gpr32 = ADDWrr %[[SC]], %[[SC]]
  bb.0:
    %0:gpr32 = COPY $w0
    %1:gpr32 = COPY $w1
    %2:gpr32 = ADDWrr %0, %1
    %3:gpr32 = COPY %2
    %4:gpr32 = ADDWrr %3, %3
    $w0 = COPY %4
    RET_ReallyLR implicit $w0
...
---
name:            variadic_defs_unmerge_vector
legalized:       true
regBankSelected: false
selected:        false
body:             |
  ; CHECK-LABEL: name: variadic_defs_unmerge_vector
  ; CHECK:      [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $d0
  ; CHECK-NEXT: [[UV0:%[0-9]+]]:_(s16), [[UV1:%[0-9]+]]:_(s16), [[UV2:%[0-9]+]]:_(s16), [[UV3:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
  ; CHECK-NEXT: [[ANYEXT0:%[0-9]+]]:_(s32) = G_ANYEXT [[UV0]](s16)
  ; CHECK-NEXT: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[UV1]](s16)
  ; CHECK-NEXT: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[UV2]](s16)
  ; CHECK-NEXT: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[UV3]](s16)
  ; CHECK-NEXT: [[ADD0:%[0-9]+]]:_(s32) = G_ADD [[ANYEXT0]], [[ANYEXT1]]
  ; CHECK-NEXT: [[ADD1:%[0-9]+]]:_(s32) = G_ADD [[ANYEXT2]], [[ANYEXT3]]
  ; CHECK-NEXT: [[ADD2:%[0-9]+]]:_(s32) = G_ADD [[ADD0]], [[ADD1]]
  ; CHECK-NEXT: $w0 = COPY [[ADD2]](s32)
  ; CHECK-NEXT: RET_ReallyLR implicit $w0
  bb.0:
    %0 :_(<4 x s16>) = COPY $d0
    %1 :_(s16), %2 :_(s16), %3 :_(s16), %4 :_(s16) = G_UNMERGE_VALUES %0(<4 x s16>)
    %5 :_(s16), %6 :_(s16), %7 :_(s16), %8 :_(s16) = G_UNMERGE_VALUES %0(<4 x s16>)
    %9 :_(s16), %10:_(s16), %11:_(s16), %12:_(s16) = G_UNMERGE_VALUES %0(<4 x s16>)
    %13:_(s16), %14:_(s16), %15:_(s16), %16:_(s16) = G_UNMERGE_VALUES %0(<4 x s16>)
    %17:_(s32) = G_ANYEXT %1 (s16)
    %18:_(s32) = G_ANYEXT %6 (s16)
    %19:_(s32) = G_ANYEXT %11(s16)
    %20:_(s32) = G_ANYEXT %16(s16)
    %21:_(s32) = G_ADD %17, %18
    %22:_(s32) = G_ADD %19, %20
    %23:_(s32) = G_ADD %21, %22
    $w0 = COPY %23(s32)
    RET_ReallyLR implicit $w0
...
---
name:            variadic_defs_unmerge_scalar
legalized:       true
regBankSelected: false
selected:        false
body:             |
  ; CHECK-LABEL: name: variadic_defs_unmerge_scalar
  ; CHECK:      [[COPY:%[0-9]+]]:_(s64) = COPY $d0
  ; CHECK-NEXT: [[UV0:%[0-9]+]]:_(s16), [[UV1:%[0-9]+]]:_(s16), [[UV2:%[0-9]+]]:_(s16), [[UV3:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[COPY]](s64)
  ; CHECK-NEXT: [[ANYEXT0:%[0-9]+]]:_(s32) = G_ANYEXT [[UV0]](s16)
  ; CHECK-NEXT: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[UV1]](s16)
  ; CHECK-NEXT: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[UV2]](s16)
  ; CHECK-NEXT: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[UV3]](s16)
  ; CHECK-NEXT: [[ADD0:%[0-9]+]]:_(s32) = G_ADD [[ANYEXT0]], [[ANYEXT1]]
  ; CHECK-NEXT: [[ADD1:%[0-9]+]]:_(s32) = G_ADD [[ANYEXT2]], [[ANYEXT3]]
  ; CHECK-NEXT: [[ADD2:%[0-9]+]]:_(s32) = G_ADD [[ADD0]], [[ADD1]]
  ; CHECK-NEXT: $w0 = COPY [[ADD2]](s32)
  ; CHECK-NEXT: RET_ReallyLR implicit $w0
  bb.0:
    %0 :_(s64) = COPY $d0
    %1 :_(s16), %2 :_(s16), %3 :_(s16), %4 :_(s16) = G_UNMERGE_VALUES %0(s64)
    %5 :_(s16), %6 :_(s16), %7 :_(s16), %8 :_(s16) = G_UNMERGE_VALUES %0(s64)
    %9 :_(s16), %10:_(s16), %11:_(s16), %12:_(s16) = G_UNMERGE_VALUES %0(s64)
    %13:_(s16), %14:_(s16), %15:_(s16), %16:_(s16) = G_UNMERGE_VALUES %0(s64)
    %17:_(s32) = G_ANYEXT %1 (s16)
    %18:_(s32) = G_ANYEXT %6 (s16)
    %19:_(s32) = G_ANYEXT %11(s16)
    %20:_(s32) = G_ANYEXT %16(s16)
    %21:_(s32) = G_ADD %17, %18
    %22:_(s32) = G_ADD %19, %20
    %23:_(s32) = G_ADD %21, %22
    $w0 = COPY %23(s32)
    RET_ReallyLR implicit $w0
...
---
name:            variadic_defs_unmerge_scalar_asym
legalized:       true
regBankSelected: false
selected:        false
body:             |
  ; CHECK-LABEL: name: variadic_defs_unmerge_scalar_asym
  ; CHECK:      [[COPY:%[0-9]+]]:_(s64) = COPY $d0
  ; CHECK-NEXT: [[UV0:%[0-9]+]]:_(s16), [[UV1:%[0-9]+]]:_(s16), [[UV2:%[0-9]+]]:_(s16), [[UV3:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[COPY]](s64)
  ; CHECK-NEXT: [[UV01:%[0-9]+]]:_(s32), [[UV23:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](s64)
  ; CHECK-NEXT: [[ANYEXT0:%[0-9]+]]:_(s32) = G_ANYEXT [[UV0]](s16)
  ; CHECK-NEXT: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[UV1]](s16)
  ; CHECK-NEXT: [[ADD0:%[0-9]+]]:_(s32) = G_ADD [[ANYEXT0]], [[ANYEXT1]]
  ; CHECK-NEXT: [[ADD1:%[0-9]+]]:_(s32) = G_ADD [[UV01]], [[UV23]]
  ; CHECK-NEXT: [[ADD2:%[0-9]+]]:_(s32) = G_ADD [[ADD0]], [[ADD1]]
  ; CHECK-NEXT: $w0 = COPY [[ADD2]](s32)
  ; CHECK-NEXT: RET_ReallyLR implicit $w0
  bb.0:
    %0 :_(s64) = COPY $d0
    %1 :_(s16), %2 :_(s16), %3 :_(s16), %4 :_(s16) = G_UNMERGE_VALUES %0(s64)
    %9 :_(s32), %10:_(s32) = G_UNMERGE_VALUES %0(s64)
    %5 :_(s16), %6 :_(s16), %7 :_(s16), %8 :_(s16) = G_UNMERGE_VALUES %0(s64)
    %11:_(s32), %12:_(s32) = G_UNMERGE_VALUES %0(s64)
    %17:_(s32) = G_ANYEXT %1 (s16)
    %18:_(s32) = G_ANYEXT %6 (s16)
    %21:_(s32) = G_ADD %17, %18
    %22:_(s32) = G_ADD %9,  %12
    %23:_(s32) = G_ADD %21, %22
    $w0 = COPY %23(s32)
    RET_ReallyLR implicit $w0
...