llvm/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rvv/legalize-bitcast.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=riscv32 -mattr=+v -run-pass=legalizer %s -o - | FileCheck %s
# RUN: llc -mtriple=riscv64 -mattr=+v -run-pass=legalizer %s -o - | FileCheck %s

---
name:            bitcast_nxv1i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv1i8
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 1 x s8>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 8 x s1>) = G_BITCAST [[DEF]](<vscale x 1 x s8>)
    ; CHECK-NEXT: $v8 = COPY [[BITCAST]](<vscale x 8 x s1>)
    ; CHECK-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 1 x s8>) = G_IMPLICIT_DEF
    %1:_(<vscale x 8 x s1>) = G_BITCAST %0(<vscale x 1 x s8>)
    $v8 = COPY %1(<vscale x 8 x s1>)
    PseudoRET implicit $v8
...
---
name:            bitcast_nxv2i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv2i8
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 2 x s8>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 1 x s16>) = G_BITCAST [[DEF]](<vscale x 2 x s8>)
    ; CHECK-NEXT: $v8 = COPY [[BITCAST]](<vscale x 1 x s16>)
    ; CHECK-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 2 x s8>) = G_IMPLICIT_DEF
    %1:_(<vscale x 1 x s16>) = G_BITCAST %0(<vscale x 2 x s8>)
    $v8 = COPY %1(<vscale x 1 x s16>)
    PseudoRET implicit $v8
...
---
name:            bitcast_nxv4i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv4i8
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 4 x s8>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 2 x s16>) = G_BITCAST [[DEF]](<vscale x 4 x s8>)
    ; CHECK-NEXT: $v8 = COPY [[BITCAST]](<vscale x 2 x s16>)
    ; CHECK-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 4 x s8>) = G_IMPLICIT_DEF
    %1:_(<vscale x 2 x s16>) = G_BITCAST %0(<vscale x 4 x s8>)
    $v8 = COPY %1(<vscale x 2 x s16>)
    PseudoRET implicit $v8
...
---
name:            bitcast_nxv8i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv8i8
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 8 x s8>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 64 x s1>) = G_BITCAST [[DEF]](<vscale x 8 x s8>)
    ; CHECK-NEXT: $v8 = COPY [[BITCAST]](<vscale x 64 x s1>)
    ; CHECK-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 8 x s8>) = G_IMPLICIT_DEF
    %1:_(<vscale x 64 x s1>) = G_BITCAST %0(<vscale x 8 x s8>)
    $v8 = COPY %1(<vscale x 64 x s1>)
    PseudoRET implicit $v8
...
---
name:            bitcast_nxv16i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv16i8
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 16 x s8>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 4 x s32>) = G_BITCAST [[DEF]](<vscale x 16 x s8>)
    ; CHECK-NEXT: $v8m2 = COPY [[BITCAST]](<vscale x 4 x s32>)
    ; CHECK-NEXT: PseudoRET implicit $v8m2
    %0:_(<vscale x 16 x s8>) = G_IMPLICIT_DEF
    %1:_(<vscale x 4 x s32>) = G_BITCAST %0(<vscale x 16 x s8>)
    $v8m2 = COPY %1(<vscale x 4 x s32>)
    PseudoRET implicit $v8m2
...
---
name:            bitcast_nxv32i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv32i8
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 32 x s8>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 16 x s16>) = G_BITCAST [[DEF]](<vscale x 32 x s8>)
    ; CHECK-NEXT: $v8m4 = COPY [[BITCAST]](<vscale x 16 x s16>)
    ; CHECK-NEXT: PseudoRET implicit $v8m4
    %0:_(<vscale x 32 x s8>) = G_IMPLICIT_DEF
    %1:_(<vscale x 16 x s16>) = G_BITCAST %0(<vscale x 32 x s8>)
    $v8m4 = COPY %1(<vscale x 16 x s16>)
    PseudoRET implicit $v8m4
...
---
name:            bitcast_nxv64i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv64i8
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 64 x s8>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 8 x s64>) = G_BITCAST [[DEF]](<vscale x 64 x s8>)
    ; CHECK-NEXT: $v8m8 = COPY [[BITCAST]](<vscale x 8 x s64>)
    ; CHECK-NEXT: PseudoRET implicit $v8m8
    %0:_(<vscale x 64 x s8>) = G_IMPLICIT_DEF
    %1:_(<vscale x 8 x s64>) = G_BITCAST %0(<vscale x 64 x s8>)
    $v8m8 = COPY %1(<vscale x 8 x s64>)
    PseudoRET implicit $v8m8
...
---
name:            bitcast_nxv1i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv1i16
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 1 x s16>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 2 x s8>) = G_BITCAST [[DEF]](<vscale x 1 x s16>)
    ; CHECK-NEXT: $v8 = COPY [[BITCAST]](<vscale x 2 x s8>)
    ; CHECK-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 1 x s16>) = G_IMPLICIT_DEF
    %1:_(<vscale x 2 x s8>) = G_BITCAST %0(<vscale x 1 x s16>)
    $v8 = COPY %1(<vscale x 2 x s8>)
    PseudoRET implicit $v8
...
---
name:            bitcast_nxv2i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv2i16
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 2 x s16>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 1 x s32>) = G_BITCAST [[DEF]](<vscale x 2 x s16>)
    ; CHECK-NEXT: $v8 = COPY [[BITCAST]](<vscale x 1 x s32>)
    ; CHECK-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 2 x s16>) = G_IMPLICIT_DEF
    %1:_(<vscale x 1 x s32>) = G_BITCAST %0(<vscale x 2 x s16>)
    $v8 = COPY %1(<vscale x 1 x s32>)
    PseudoRET implicit $v8
...
---
name:            bitcast_nxv4i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv4i16
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 4 x s16>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 1 x s64>) = G_BITCAST [[DEF]](<vscale x 4 x s16>)
    ; CHECK-NEXT: $v8 = COPY [[BITCAST]](<vscale x 1 x s64>)
    ; CHECK-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 4 x s16>) = G_IMPLICIT_DEF
    %1:_(<vscale x 1 x s64>) = G_BITCAST %0(<vscale x 4 x s16>)
    $v8 = COPY %1(<vscale x 1 x s64>)
    PseudoRET implicit $v8
...
---
name:            bitcast_nxv8i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv8i16
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 8 x s16>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 2 x s64>) = G_BITCAST [[DEF]](<vscale x 8 x s16>)
    ; CHECK-NEXT: $v8m2 = COPY [[BITCAST]](<vscale x 2 x s64>)
    ; CHECK-NEXT: PseudoRET implicit $v8m2
    %0:_(<vscale x 8 x s16>) = G_IMPLICIT_DEF
    %1:_(<vscale x 2 x s64>) = G_BITCAST %0(<vscale x 8 x s16>)
    $v8m2 = COPY %1(<vscale x 2 x s64>)
    PseudoRET implicit $v8m2
...
---
name:            bitcast_nxv16i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv16i16
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 16 x s16>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 8 x s32>) = G_BITCAST [[DEF]](<vscale x 16 x s16>)
    ; CHECK-NEXT: $v8m4 = COPY [[BITCAST]](<vscale x 8 x s32>)
    ; CHECK-NEXT: PseudoRET implicit $v8m4
    %0:_(<vscale x 16 x s16>) = G_IMPLICIT_DEF
    %1:_(<vscale x 8 x s32>) = G_BITCAST %0(<vscale x 16 x s16>)
    $v8m4 = COPY %1(<vscale x 8 x s32>)
    PseudoRET implicit $v8m4
...
---
name:            bitcast_nxv32i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv32i16
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 32 x s16>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 8 x s64>) = G_BITCAST [[DEF]](<vscale x 32 x s16>)
    ; CHECK-NEXT: $v8m8 = COPY [[BITCAST]](<vscale x 8 x s64>)
    ; CHECK-NEXT: PseudoRET implicit $v8m8
    %0:_(<vscale x 32 x s16>) = G_IMPLICIT_DEF
    %1:_(<vscale x 8 x s64>) = G_BITCAST %0(<vscale x 32 x s16>)
    $v8m8 = COPY %1(<vscale x 8 x s64>)
    PseudoRET implicit $v8m8
...
---
name:            bitcast_nxv1i32
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv1i32
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 1 x s32>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 2 x s16>) = G_BITCAST [[DEF]](<vscale x 1 x s32>)
    ; CHECK-NEXT: $v8 = COPY [[BITCAST]](<vscale x 2 x s16>)
    ; CHECK-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 1 x s32>) = G_IMPLICIT_DEF
    %1:_(<vscale x 2 x s16>) = G_BITCAST %0(<vscale x 1 x s32>)
    $v8 = COPY %1(<vscale x 2 x s16>)
    PseudoRET implicit $v8
...
---
name:            bitcast_nxv2i32
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv2i32
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 2 x s32>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 4 x s16>) = G_BITCAST [[DEF]](<vscale x 2 x s32>)
    ; CHECK-NEXT: $v8 = COPY [[BITCAST]](<vscale x 4 x s16>)
    ; CHECK-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 2 x s32>) = G_IMPLICIT_DEF
    %1:_(<vscale x 4 x s16>) = G_BITCAST %0(<vscale x 2 x s32>)
    $v8 = COPY %1(<vscale x 4 x s16>)
    PseudoRET implicit $v8
...
---
name:            bitcast_nxv4i32
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv4i32
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 4 x s32>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 8 x s16>) = G_BITCAST [[DEF]](<vscale x 4 x s32>)
    ; CHECK-NEXT: $v8m2 = COPY [[BITCAST]](<vscale x 8 x s16>)
    ; CHECK-NEXT: PseudoRET implicit $v8m2
    %0:_(<vscale x 4 x s32>) = G_IMPLICIT_DEF
    %1:_(<vscale x 8 x s16>) = G_BITCAST %0(<vscale x 4 x s32>)
    $v8m2 = COPY %1(<vscale x 8 x s16>)
    PseudoRET implicit $v8m2
...
---
name:            bitcast_nxv8i32
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv8i32
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 8 x s32>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 4 x s64>) = G_BITCAST [[DEF]](<vscale x 8 x s32>)
    ; CHECK-NEXT: $v8m4 = COPY [[BITCAST]](<vscale x 4 x s64>)
    ; CHECK-NEXT: PseudoRET implicit $v8m4
    %0:_(<vscale x 8 x s32>) = G_IMPLICIT_DEF
    %1:_(<vscale x 4 x s64>) = G_BITCAST %0(<vscale x 8 x s32>)
    $v8m4 = COPY %1(<vscale x 4 x s64>)
    PseudoRET implicit $v8m4
...
---
name:            bitcast_nxv16i32
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv16i32
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 16 x s32>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 32 x s16>) = G_BITCAST [[DEF]](<vscale x 16 x s32>)
    ; CHECK-NEXT: $v8m8 = COPY [[BITCAST]](<vscale x 32 x s16>)
    ; CHECK-NEXT: PseudoRET implicit $v8m8
    %0:_(<vscale x 16 x s32>) = G_IMPLICIT_DEF
    %1:_(<vscale x 32 x s16>) = G_BITCAST %0(<vscale x 16 x s32>)
    $v8m8 = COPY %1(<vscale x 32 x s16>)
    PseudoRET implicit $v8m8
...
---
name:            bitcast_nxv1i64
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv1i64
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 1 x s64>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 2 x s32>) = G_BITCAST [[DEF]](<vscale x 1 x s64>)
    ; CHECK-NEXT: $v8 = COPY [[BITCAST]](<vscale x 2 x s32>)
    ; CHECK-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 1 x s64>) = G_IMPLICIT_DEF
    %1:_(<vscale x 2 x s32>) = G_BITCAST %0(<vscale x 1 x s64>)
    $v8 = COPY %1(<vscale x 2 x s32>)
    PseudoRET implicit $v8
...
---
name:            bitcast_nxv2i64
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv2i64
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 2 x s64>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 4 x s32>) = G_BITCAST [[DEF]](<vscale x 2 x s64>)
    ; CHECK-NEXT: $v8m2 = COPY [[BITCAST]](<vscale x 4 x s32>)
    ; CHECK-NEXT: PseudoRET implicit $v8m2
    %0:_(<vscale x 2 x s64>) = G_IMPLICIT_DEF
    %1:_(<vscale x 4 x s32>) = G_BITCAST %0(<vscale x 2 x s64>)
    $v8m2 = COPY %1(<vscale x 4 x s32>)
    PseudoRET implicit $v8m2
...
---
name:            bitcast_nxv4i64
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv4i64
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 4 x s64>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 16 x s16>) = G_BITCAST [[DEF]](<vscale x 4 x s64>)
    ; CHECK-NEXT: $v8m4 = COPY [[BITCAST]](<vscale x 16 x s16>)
    ; CHECK-NEXT: PseudoRET implicit $v8m4
    %0:_(<vscale x 4 x s64>) = G_IMPLICIT_DEF
    %1:_(<vscale x 16 x s16>) = G_BITCAST %0(<vscale x 4 x s64>)
    $v8m4 = COPY %1(<vscale x 16 x s16>)
    PseudoRET implicit $v8m4
...
---
name:            bitcast_nxv8i64
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: bitcast_nxv8i64
    ; CHECK: [[DEF:%[0-9]+]]:_(<vscale x 8 x s64>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(<vscale x 64 x s8>) = G_BITCAST [[DEF]](<vscale x 8 x s64>)
    ; CHECK-NEXT: $v8m8 = COPY [[BITCAST]](<vscale x 64 x s8>)
    ; CHECK-NEXT: PseudoRET implicit $v8m8
    %0:_(<vscale x 8 x s64>) = G_IMPLICIT_DEF
    %1:_(<vscale x 64 x s8>) = G_BITCAST %0(<vscale x 8 x s64>)
    $v8m8 = COPY %1(<vscale x 64 x s8>)
    PseudoRET implicit $v8m8
...