1# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
2# This test ensures that the MIR parser parses the 'early-clobber' register
3# flags correctly.
4
5--- |
6
7  declare void @foo(i32)
8
9  define void @test(i32 %a, i32 %b) #0 {
10  entry:
11    %c = add i32 %a, %b
12    call void asm sideeffect "nop", "~{ax},~{di}"()
13    call void @foo(i32 %c)
14    ret void
15  }
16
17  attributes #0 = { optsize }
18
19...
20---
21name:            test
22hasInlineAsm:    true
23tracksRegLiveness: true
24liveins:
25  - { reg: '%edi' }
26  - { reg: '%esi' }
27frameInfo:
28  stackSize:     8
29  adjustsStack:  true
30  hasCalls:      true
31body: |
32  bb.0.entry:
33    liveins: %edi, %esi
34
35    frame-setup PUSH64r undef %rax, implicit-def %rsp, implicit %rsp
36    CFI_INSTRUCTION .cfi_def_cfa_offset 16
37    %ecx = COPY %edi
38    %ecx = ADD32rr killed %ecx, killed %esi, implicit-def dead %eflags
39  ; CHECK: INLINEASM $nop, 1, 12, implicit-def dead early-clobber %ax, 12, implicit-def dead early-clobber %di
40    INLINEASM $nop, 1, 12, implicit-def dead early-clobber %ax, 12, implicit-def dead early-clobber %di
41    %edi = COPY killed %ecx
42    CALL64pcrel32 @foo, csr_64, implicit %rsp, implicit %edi, implicit-def %rsp
43    %rax = POP64r implicit-def %rsp, implicit %rsp
44    RETQ
45...
46