llvm/llvm/test/CodeGen/Mips/GlobalISel/regbankselect/pointers.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 @ptr_arg_in_regs(ptr %p) {entry: ret void}
  define void @ptr_arg_on_stack(i32 %x1, i32 %x2, i32 %x3, i32 %x4, ptr %p) {entry: ret void}
  define void @ret_ptr(ptr %p) {entry: ret void}

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

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

...
---
name:            ptr_arg_on_stack
alignment:       4
legalized:       true
tracksRegLiveness: true
fixedStack:
  - { id: 0, offset: 16, size: 4, alignment: 8, stack-id: default, isImmutable: true }
body:             |
  bb.1.entry:
    liveins: $a0, $a1, $a2, $a3

    ; MIPS32-LABEL: name: ptr_arg_on_stack
    ; MIPS32: liveins: $a0, $a1, $a2, $a3
    ; MIPS32: [[COPY:%[0-9]+]]:gprb(s32) = COPY $a0
    ; MIPS32: [[COPY1:%[0-9]+]]:gprb(s32) = COPY $a1
    ; MIPS32: [[COPY2:%[0-9]+]]:gprb(s32) = COPY $a2
    ; MIPS32: [[COPY3:%[0-9]+]]:gprb(s32) = COPY $a3
    ; MIPS32: [[FRAME_INDEX:%[0-9]+]]:gprb(p0) = G_FRAME_INDEX %fixed-stack.0
    ; MIPS32: [[LOAD:%[0-9]+]]:gprb(p0) = G_LOAD [[FRAME_INDEX]](p0) :: (load (p0) from %fixed-stack.0, align 8)
    ; MIPS32: [[LOAD1:%[0-9]+]]:gprb(s32) = G_LOAD [[LOAD]](p0) :: (load (s32) from %ir.p)
    ; MIPS32: $v0 = COPY [[LOAD1]](s32)
    ; MIPS32: RetRA implicit $v0
    %0:_(s32) = COPY $a0
    %1:_(s32) = COPY $a1
    %2:_(s32) = COPY $a2
    %3:_(s32) = COPY $a3
    %5:_(p0) = G_FRAME_INDEX %fixed-stack.0
    %4:_(p0) = G_LOAD %5(p0) :: (load (p0) from %fixed-stack.0, align 8)
    %6:_(s32) = G_LOAD %4(p0) :: (load (s32) from %ir.p)
    $v0 = COPY %6(s32)
    RetRA implicit $v0

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

    ; MIPS32-LABEL: name: ret_ptr
    ; MIPS32: liveins: $a0
    ; MIPS32: [[COPY:%[0-9]+]]:gprb(p0) = COPY $a0
    ; MIPS32: $v0 = COPY [[COPY]](p0)
    ; MIPS32: RetRA implicit $v0
    %0:_(p0) = COPY $a0
    $v0 = COPY %0(p0)
    RetRA implicit $v0

...