TheRock/compiler/amd-llvm/llvm/test/CodeGen/Mips/GlobalISel/regbankselect/load.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=regbankselect -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
--- |

  define void @load_i32(ptr %ptr) {entry: ret void}
  define void @load_i64(ptr %ptr) {entry: ret void}
  define void @load_ambiguous_i64_in_fpr(ptr %i64_ptr_a, ptr %i64_ptr_b) {entry: ret void}
  define void @load_float(ptr %ptr) {entry: ret void}
  define void @load_ambiguous_float_in_gpr(ptr %float_ptr_a, ptr %float_ptr_b) {entry: ret void}
  define void @load_double(ptr %ptr) {entry: ret void}

...
---
name:            load_i32
alignment:       4
legalized:       true
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0

    ; MIPS32-LABEL: name: load_i32
    ; MIPS32: liveins: $a0
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:gprb(p0) = COPY $a0
    ; MIPS32-NEXT: [[LOAD:%[0-9]+]]:gprb(s32) = G_LOAD [[COPY]](p0) :: (load (s32) from %ir.ptr)
    ; MIPS32-NEXT: $v0 = COPY [[LOAD]](s32)
    ; MIPS32-NEXT: RetRA implicit $v0
    %0:_(p0) = COPY $a0
    %1:_(s32) = G_LOAD %0(p0) :: (load (s32) from %ir.ptr)
    $v0 = COPY %1(s32)
    RetRA implicit $v0

...
---
name:            load_i64
alignment:       4
legalized:       true
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0

    ; MIPS32-LABEL: name: load_i64
    ; MIPS32: liveins: $a0
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:gprb(p0) = COPY $a0
    ; MIPS32-NEXT: [[LOAD:%[0-9]+]]:gprb(s32) = G_LOAD [[COPY]](p0) :: (load (s32) from %ir.ptr, align 8)
    ; MIPS32-NEXT: [[C:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 4
    ; MIPS32-NEXT: [[PTR_ADD:%[0-9]+]]:gprb(p0) = nuw inbounds G_PTR_ADD [[COPY]], [[C]](s32)
    ; MIPS32-NEXT: [[LOAD1:%[0-9]+]]:gprb(s32) = G_LOAD [[PTR_ADD]](p0) :: (load (s32) from %ir.ptr + 4, basealign 8)
    ; MIPS32-NEXT: $v0 = COPY [[LOAD]](s32)
    ; MIPS32-NEXT: $v1 = COPY [[LOAD1]](s32)
    ; MIPS32-NEXT: RetRA implicit $v0, implicit $v1
    %0:_(p0) = COPY $a0
    %1:_(s64) = G_LOAD %0(p0) :: (load (s64) from %ir.ptr)
    %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %1(s64)
    $v0 = COPY %2(s32)
    $v1 = COPY %3(s32)
    RetRA implicit $v0, implicit $v1

...
---
name:            load_ambiguous_i64_in_fpr
alignment:       4
legalized:       true
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0, $a1

    ; MIPS32-LABEL: name: load_ambiguous_i64_in_fpr
    ; MIPS32: liveins: $a0, $a1
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:gprb(p0) = COPY $a0
    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:gprb(p0) = COPY $a1
    ; MIPS32-NEXT: [[LOAD:%[0-9]+]]:fprb(s64) = G_LOAD [[COPY]](p0) :: (load (s64) from %ir.i64_ptr_a)
    ; MIPS32-NEXT: G_STORE [[LOAD]](s64), [[COPY1]](p0) :: (store (s64) into %ir.i64_ptr_b)
    ; MIPS32-NEXT: RetRA
    %0:_(p0) = COPY $a0
    %1:_(p0) = COPY $a1
    %2:_(s64) = G_LOAD %0(p0) :: (load (s64) from %ir.i64_ptr_a)
    G_STORE %2(s64), %1(p0) :: (store (s64) into %ir.i64_ptr_b)
    RetRA

...
---
name:            load_float
alignment:       4
legalized:       true
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0

    ; MIPS32-LABEL: name: load_float
    ; MIPS32: liveins: $a0
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:gprb(p0) = COPY $a0
    ; MIPS32-NEXT: [[LOAD:%[0-9]+]]:fprb(s32) = G_LOAD [[COPY]](p0) :: (load (s32) from %ir.ptr)
    ; MIPS32-NEXT: $f0 = COPY [[LOAD]](s32)
    ; MIPS32-NEXT: RetRA implicit $f0
    %0:_(p0) = COPY $a0
    %1:_(s32) = G_LOAD %0(p0) :: (load (s32) from %ir.ptr)
    $f0 = COPY %1(s32)
    RetRA implicit $f0

...
---
name:            load_ambiguous_float_in_gpr
alignment:       4
legalized:       true
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0, $a1

    ; MIPS32-LABEL: name: load_ambiguous_float_in_gpr
    ; MIPS32: liveins: $a0, $a1
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:gprb(p0) = COPY $a0
    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:gprb(p0) = COPY $a1
    ; MIPS32-NEXT: [[LOAD:%[0-9]+]]:gprb(s32) = G_LOAD [[COPY]](p0) :: (load (s32) from %ir.float_ptr_a)
    ; MIPS32-NEXT: G_STORE [[LOAD]](s32), [[COPY1]](p0) :: (store (s32) into %ir.float_ptr_b)
    ; MIPS32-NEXT: RetRA
    %0:_(p0) = COPY $a0
    %1:_(p0) = COPY $a1
    %2:_(s32) = G_LOAD %0(p0) :: (load (s32) from %ir.float_ptr_a)
    G_STORE %2(s32), %1(p0) :: (store (s32) into %ir.float_ptr_b)
    RetRA

...
---
name:            load_double
alignment:       4
legalized:       true
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0

    ; MIPS32-LABEL: name: load_double
    ; MIPS32: liveins: $a0
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:gprb(p0) = COPY $a0
    ; MIPS32-NEXT: [[LOAD:%[0-9]+]]:fprb(s64) = G_LOAD [[COPY]](p0) :: (load (s64) from %ir.ptr)
    ; MIPS32-NEXT: $d0 = COPY [[LOAD]](s64)
    ; MIPS32-NEXT: RetRA implicit $d0
    %0:_(p0) = COPY $a0
    %1:_(s64) = G_LOAD %0(p0) :: (load (s64) from %ir.ptr)
    $d0 = COPY %1(s64)
    RetRA implicit $d0

...