micromips-movep.mir | Explore in Territory

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=mipsel-unknown-linux-gnu -mattr=+micromips -mcpu=mips32r2 \
# RUN:     -verify-machineinstrs -run-pass micromips-reduce-size \
# RUN:      %s -o - | FileCheck %s

--- |
  define i64 @move1() { ret i64 0 }
  define i64 @move2() { ret i64 0 }

  declare i64 @f(i64 signext)
  declare i64 @g()

...
---
name:            move1
stack:
  - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$ra', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
constants:
body:             |
  bb.0:
    liveins: $ra

    ; CHECK-LABEL: name: move1
    ; CHECK: ADDIUSP_MM -24
    ; CHECK: CFI_INSTRUCTION def_cfa_offset 24
    ; CHECK: SWSP_MM killed $ra, $sp, 20 :: (store (s32) into %stack.0)
    ; CHECK: CFI_INSTRUCTION offset $ra_64, -4
    ; CHECK: JAL_MM @g, csr_o32, implicit-def dead $ra, implicit-def $sp, implicit-def $v0, implicit-def $v1
    ; CHECK: $a0, $a1 = MOVEP_MM $v0, $v1
    ; CHECK: JAL_MM @f, csr_o32, implicit-def dead $ra, implicit $a0, implicit $a1, implicit-def $sp, implicit-def $v0, implicit-def $v1
    ; CHECK: $ra = LWSP_MM $sp, 20 :: (load (s32) from %stack.0)
    ; CHECK: ADDIUSP_MM 24
    ; CHECK: PseudoReturn undef $ra, implicit $v0, implicit $v1
    $sp = ADDiu $sp, -24
    CFI_INSTRUCTION def_cfa_offset 24
    SW killed $ra, $sp, 20 :: (store (s32) into %stack.0)
    CFI_INSTRUCTION offset $ra_64, -4
    JAL_MM @g, csr_o32, implicit-def dead $ra, implicit-def $sp, implicit-def $v0, implicit-def $v1
    $a0 = MOVE16_MM $v0
    $a1 = MOVE16_MM $v1
    JAL_MM @f, csr_o32, implicit-def dead $ra, implicit $a0, implicit $a1, implicit-def $sp, implicit-def $v0, implicit-def $v1
    $ra = LW $sp, 20 :: (load (s32) from %stack.0)
    $sp = ADDiu $sp, 24
    PseudoReturn undef $ra, implicit $v0, implicit $v1

...
---
name:            move2
stack:
  - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$ra', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
constants:
body:             |
  bb.0:
    liveins: $ra

    ; CHECK-LABEL: name: move2
    ; CHECK: ADDIUSP_MM -24
    ; CHECK: CFI_INSTRUCTION def_cfa_offset 24
    ; CHECK: SWSP_MM killed $ra, $sp, 20 :: (store (s32) into %stack.0)
    ; CHECK: CFI_INSTRUCTION offset $ra_64, -4
    ; CHECK: JAL_MM @g, csr_o32, implicit-def dead $ra, implicit-def $sp, implicit-def $v0, implicit-def $v1
    ; CHECK: $a0, $a1 = MOVEP_MM $v0, $v1
    ; CHECK: JAL_MM @f, csr_o32, implicit-def dead $ra, implicit $a0, implicit $a1, implicit-def $sp, implicit-def $v0, implicit-def $v1
    ; CHECK: $ra = LWSP_MM $sp, 20 :: (load (s32) from %stack.0)
    ; CHECK: ADDIUSP_MM 24
    ; CHECK: PseudoReturn undef $ra, implicit $v0, implicit $v1
    $sp = ADDiu $sp, -24
    CFI_INSTRUCTION def_cfa_offset 24
    SW killed $ra, $sp, 20 :: (store (s32) into %stack.0)
    CFI_INSTRUCTION offset $ra_64, -4
    JAL_MM @g, csr_o32, implicit-def dead $ra, implicit-def $sp, implicit-def $v0, implicit-def $v1
    $a1 = MOVE16_MM $v1
    $a0 = MOVE16_MM $v0
    JAL_MM @f, csr_o32, implicit-def dead $ra, implicit $a0, implicit $a1, implicit-def $sp, implicit-def $v0, implicit-def $v1
    $ra = LW $sp, 20 :: (load (s32) from %stack.0)
    $sp = ADDiu $sp, 24
    PseudoReturn undef $ra, implicit $v0, implicit $v1

...
---
llvm/llvm/test/CodeGen/Mips/micromips-sizereduction/micromips-movep.mir
