test/CodeGen/AArch64/GlobalISel/legalize-fptrunc.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -verify-machineinstrs -mtriple aarch64-unknown-unknown -run-pass=legalizer -O0 -global-isel %s -o - | FileCheck %s
---
name:            fptrunc_s16_s32
body:             |
  bb.0:
    liveins: $s0

    ; CHECK-LABEL: name: fptrunc_s16_s32
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $s0
    ; CHECK: [[FPTRUNC:%[0-9]+]]:_(s16) = G_FPTRUNC [[COPY]](s32)
    ; CHECK: $h0 = COPY [[FPTRUNC]](s16)
    ; CHECK: RET_ReallyLR implicit $h0
    %0:_(s32) = COPY $s0
    %1:_(s16) = G_FPTRUNC %0
    $h0 = COPY %1(s16)
    RET_ReallyLR implicit $h0
...
---
name:            fptrunc_s16_s64
body:             |
  bb.0:
    liveins: $d0

    ; CHECK-LABEL: name: fptrunc_s16_s64
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $d0
    ; CHECK: [[FPTRUNC:%[0-9]+]]:_(s16) = G_FPTRUNC [[COPY]](s64)
    ; CHECK: $h0 = COPY [[FPTRUNC]](s16)
    ; CHECK: RET_ReallyLR implicit $h0
    %0:_(s64) = COPY $d0
    %1:_(s16) = G_FPTRUNC %0
    $h0 = COPY %1(s16)
    RET_ReallyLR implicit $h0
...
---
name:            fptrunc_s32_s64
body:             |
  bb.0:
    liveins: $d0

    ; CHECK-LABEL: name: fptrunc_s32_s64
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $d0
    ; CHECK: [[FPTRUNC:%[0-9]+]]:_(s32) = G_FPTRUNC [[COPY]](s64)
    ; CHECK: $s0 = COPY [[FPTRUNC]](s32)
    ; CHECK: RET_ReallyLR implicit $s0
    %0:_(s64) = COPY $d0
    %1:_(s32) = G_FPTRUNC %0
    $s0 = COPY %1(s32)
    RET_ReallyLR implicit $s0
...
---
name:            fptrunc_v4s16_v4s32
body:             |
  bb.0:
    liveins: $q0

    ; CHECK-LABEL: name: fptrunc_v4s16_v4s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0
    ; CHECK: [[FPTRUNC:%[0-9]+]]:_(<4 x s16>) = G_FPTRUNC [[COPY]](<4 x s32>)
    ; CHECK: $d0 = COPY [[FPTRUNC]](<4 x s16>)
    ; CHECK: RET_ReallyLR implicit $d0
    %0:_(<4 x s32>) = COPY $q0
    %1:_(<4 x s16>) = G_FPTRUNC %0
    $d0 = COPY %1(<4 x s16>)
    RET_ReallyLR implicit $d0
...
---
name:            fptrunc_v2s16_v2s32
body:             |
  bb.0:
    liveins: $d0

    ; CHECK-LABEL: name: fptrunc_v2s16_v2s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $d0
    ; CHECK: [[FPTRUNC:%[0-9]+]]:_(<2 x s16>) = G_FPTRUNC [[COPY]](<2 x s32>)
    ; CHECK: $s0 = COPY [[FPTRUNC]](<2 x s16>)
    ; CHECK: RET_ReallyLR implicit $s0
    %0:_(<2 x s32>) = COPY $d0
    %1:_(<2 x s16>) = G_FPTRUNC %0
    $s0 = COPY %1(<2 x s16>)
    RET_ReallyLR implicit $s0
...
---
name:            fptrunc_v4s32_v4s64
body:             |
  bb.0:

    ; CHECK-LABEL: name: fptrunc_v4s32_v4s64
    ; CHECK: [[DEF:%[0-9]+]]:_(<2 x s64>) = G_IMPLICIT_DEF
    ; CHECK: [[FPTRUNC:%[0-9]+]]:_(<2 x s32>) = G_FPTRUNC [[DEF]](<2 x s64>)
    ; CHECK: [[FPTRUNC1:%[0-9]+]]:_(<2 x s32>) = G_FPTRUNC [[DEF]](<2 x s64>)
    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s32>) = G_CONCAT_VECTORS [[FPTRUNC]](<2 x s32>), [[FPTRUNC1]](<2 x s32>)
    ; CHECK: $q0 = COPY [[CONCAT_VECTORS]](<4 x s32>)
    ; CHECK: RET_ReallyLR implicit $q0
    %0:_(<4 x s64>) = G_IMPLICIT_DEF
    %1:_(<4 x s32>) = G_FPTRUNC %0
    $q0 = COPY %1(<4 x s32>)
    RET_ReallyLR implicit $q0
...
---
name:            fptrunc_v8s32_v8s64
body:             |
  bb.0:

    liveins: $x0, $q0, $q1, $q2, $q3, $x0

    ; CHECK-LABEL: name: fptrunc_v8s32_v8s64
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1
    ; CHECK: [[COPY2:%[0-9]+]]:_(<2 x s64>) = COPY $q2
    ; CHECK: [[COPY3:%[0-9]+]]:_(<2 x s64>) = COPY $q3
    ; CHECK: [[COPY4:%[0-9]+]]:_(p0) = COPY $x0
    ; CHECK: [[FPTRUNC:%[0-9]+]]:_(<2 x s32>) = G_FPTRUNC [[COPY]](<2 x s64>)
    ; CHECK: [[FPTRUNC1:%[0-9]+]]:_(<2 x s32>) = G_FPTRUNC [[COPY1]](<2 x s64>)
    ; CHECK: [[FPTRUNC2:%[0-9]+]]:_(<2 x s32>) = G_FPTRUNC [[COPY2]](<2 x s64>)
    ; CHECK: [[FPTRUNC3:%[0-9]+]]:_(<2 x s32>) = G_FPTRUNC [[COPY3]](<2 x s64>)
    ; CHECK: [[COPY5:%[0-9]+]]:_(p0) = COPY $x0
    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s32>) = G_CONCAT_VECTORS [[FPTRUNC]](<2 x s32>), [[FPTRUNC1]](<2 x s32>)
    ; CHECK: [[CONCAT_VECTORS1:%[0-9]+]]:_(<4 x s32>) = G_CONCAT_VECTORS [[FPTRUNC2]](<2 x s32>), [[FPTRUNC3]](<2 x s32>)
    ; CHECK: G_STORE [[CONCAT_VECTORS]](<4 x s32>), [[COPY5]](p0) :: (store 16, align 32)
    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
    ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY5]], [[C]](s64)
    ; CHECK: G_STORE [[CONCAT_VECTORS1]](<4 x s32>), [[PTR_ADD]](p0) :: (store 16 into unknown-address + 16)
    ; CHECK: RET_ReallyLR
    %2:_(<2 x s64>) = COPY $q0
    %3:_(<2 x s64>) = COPY $q1
    %4:_(<2 x s64>) = COPY $q2
    %5:_(<2 x s64>) = COPY $q3
    %0:_(<8 x s64>) = G_CONCAT_VECTORS %2(<2 x s64>), %3(<2 x s64>), %4(<2 x s64>), %5(<2 x s64>)
    %1:_(p0) = COPY $x0
    %6:_(<8 x s32>) = G_FPTRUNC %0(<8 x s64>)
    %7:_(p0) = COPY $x0
    G_STORE %6(<8 x s32>), %7(p0) :: (store 32)
    RET_ReallyLR
...