llvm/llvm/test/CodeGen/X86/statepoint-fixup-copy-prop.mir

# RUN: llc -o - %s -run-pass fixup-statepoint-caller-saved -verify-machineinstrs | FileCheck %s

--- |
  target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
  target triple = "x86_64-pc-linux-gnu"

  declare void @foo(i64)

  define ptr addrspace(1) @test_cp(i64 %a, i64 %b, i64 %c, ptr addrspace(1) %p) gc "statepoint-example" {
    ret ptr addrspace(1) undef
  }
...
---
name:            test_cp
alignment:       16
tracksRegLiveness: true
liveins:
  - { reg: '$rdi', virtual-reg: '' }
frameInfo:
body:             |
  bb.0:
    liveins: $rax, $rdi, $rbp

    ; CHECK:   renamable $rdi = COPY renamable $rax
    ; CHECK:   MOV64mr %stack.1, 1, $noreg, 0, $noreg, killed $rax :: (store (s64) into %stack.1)
    ; CHECK:   renamable $rax = MOV64rm renamable $rdi, 1, $noreg, 16, $noreg
    ; CHECK:   MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed $rax :: (store (s64) into %stack.0)
    ; CHECK:   STATEPOINT 0, 0, 0, @foo, 2, 0, 2, 0, 2, 1, 1, 8, %stack.0, 0, 2, 1, 1, 8, %stack.1, 0, 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp :: (load (s64) from %stack.0), (load store (s64) on %stack.1)
    renamable $rdi = COPY killed renamable $rax
    renamable $rax = MOV64rm renamable $rdi, 1, $noreg, 16, $noreg
    renamable $rdi = STATEPOINT 0, 0, 0, @foo, 2, 0, 2, 0, 2, 1, renamable $rax, 2, 1, killed renamable $rdi(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp
    $rax = COPY killed renamable $rdi
    RET 0, killed $rax
...