third_party/llvm-project/llvm/test/CodeGen/AArch64/ldst-miflags.mir

# RUN: llc -run-pass=aarch64-ldst-opt -o - -mtriple=aarch64-- %s | FileCheck %s
# Check that we merge the MIFlags from both the instructions in the final
# instruction.
---
name:            case11
# CHECK-LABEL: name: case11
body:             |
  bb.0:
    frame-setup STRWui $w1, $x0, 1 :: (store 4)
    $w1 = frame-destroy LDRWui $x0, 1 :: (load 4)

  ; CHECK: frame-setup STRWui
  ; CHECK-NOT: frame-setup
  ; CHECK-NEXT: frame-destroy ORRWrs
  ; No merging happening here, make sure we keep the flags of the previous
  ; instruction.
    RET_ReallyLR

...
---
name:            case12
# CHECK-LABEL: name: case12
body:             |
  bb.0:
    frame-setup STRWui $w1, $x0, 1 :: (store 4)
    $w2 = frame-destroy LDRHHui $x0, 2 :: (load 2)

  ; CHECK: frame-setup STRWui
  ; CHECK-NOT: frame-setup
  ; CHECK-NEXT: frame-destroy ANDWri
  ; No merging happening here, make sure we keep the flags of the previous
  ; instruction.
    RET_ReallyLR

...
---
name:            case13
# CHECK-LABEL: name: case13
body:             |
  bb.0:
    frame-setup STRWui $w1, $x0, 1 :: (store 4)
    $w2 = frame-destroy LDRHHui $x0, 3 :: (load 2)

  ; CHECK: frame-setup STRWui
  ; CHECK-NOT: frame-setup
  ; CHECK-NEXT: frame-destroy UBFMWri
  ; No merging happening here, make sure we keep the flags of the previous
  ; instruction.
    RET_ReallyLR

...
---
name:            case2
# CHECK-LABEL: name: case2
body:             |
  bb.0:
    frame-setup STRHHui $wzr, $x0, 0 :: (store 4)
    frame-destroy STRHHui $wzr, $x0, 1 :: (store 4)

  ; CHECK: frame-setup frame-destroy STRWui
    RET_ReallyLR

...
---
name:            case3
# CHECK-LABEL: name: case3
body:             |
  bb.0:

    $x0 = frame-setup LDRXui $x2, 0 :: (load 8)
    $x1 = frame-destroy LDRXui $x2, 1 :: (load 8)

  ; CHECK: frame-setup frame-destroy LDPXi
    RET_ReallyLR
...
---
name:            case4
# CHECK-LABEL: name: case4
body:             |
  bb.0:
    $x26, $x25 = frame-setup LDPXi $sp, 0
    $sp = frame-destroy ADDXri $sp, 64, 0

  ; CHECK: = frame-setup frame-destroy LDPXpost
    RET_ReallyLR

...
---
name:            case41
# CHECK-LABEL: name: case41
body:             |
  bb.0:
    $x26 = frame-setup LDRXui $sp, 0
    $sp = frame-destroy ADDXri $sp, 64, 0

  ; CHECK: = frame-setup frame-destroy LDRXpost
    RET_ReallyLR

...