third_party/llvm-7.0/llvm/test/CodeGen/X86/patchpoint-verifiable.mir

# RUN: llc -mtriple=x86_64-apple-darwin -stop-after branch-folder -start-after branch-folder -o - %s | FileCheck %s
# This test verifies that the machine verifier won't report an error when
# verifying the PATCHPOINT instruction.

--- |

  define void @small_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
  entry:
    %result = tail call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 5, i8* null, i32 2, i64 %p1, i64 %p2)
    ret void
  }

  declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)

...
---
name:            small_patchpoint_codegen
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
  - { reg: '$rsi' }
frameInfo:
  hasPatchPoint: true
  stackSize:     8
  adjustsStack:  true
  hasCalls:      true
fixedStack:
  - { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16 }
body: |
  bb.0.entry:
    liveins: $rdi, $rsi, $rbp

    frame-setup PUSH64r killed $rbp, implicit-def $rsp, implicit $rsp
    CFI_INSTRUCTION def_cfa_offset 16
    CFI_INSTRUCTION offset $rbp, -16
    $rbp = frame-setup MOV64rr $rsp
    CFI_INSTRUCTION def_cfa_register $rbp
  ; CHECK: PATCHPOINT 5, 5, 0, 2, 0, $rdi, $rsi, csr_64, implicit-def dead early-clobber $r11, implicit-def $rsp, implicit-def dead $rax
    PATCHPOINT 5, 5, 0, 2, 0, $rdi, $rsi, csr_64, implicit-def dead early-clobber $r11, implicit-def $rsp, implicit-def dead $rax
    $rbp = POP64r implicit-def $rsp, implicit $rsp
    RETQ
...