+# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
+# This test ensures that the MIR parser parses the 'early-clobber' register
+# flags correctly.
+
+--- |
+
+ declare void @foo(i32)
+
+ define void @test(i32 %a, i32 %b) #0 {
+ entry:
+ %c = add i32 %a, %b
+ call void asm sideeffect "nop", "~{ax},~{di}"()
+ call void @foo(i32 %c)
+ ret void
+ }
+
+ attributes #0 = { optsize }
+
+...
+---
+name: test
+hasInlineAsm: true
+tracksRegLiveness: true
+liveins:
+ - { reg: '%edi' }
+ - { reg: '%esi' }
+frameInfo:
+ stackSize: 8
+ adjustsStack: true
+ hasCalls: true
+body:
+ - id: 0
+ name: entry
+ liveins: [ '%edi', '%esi' ]
+ instructions:
+ - 'frame-setup PUSH64r undef %rax, implicit-def %rsp, implicit %rsp'
+ - CFI_INSTRUCTION .cfi_def_cfa_offset 16
+ - '%ecx = COPY %edi'
+ - '%ecx = ADD32rr killed %ecx, killed %esi, implicit-def dead %eflags'
+# CHECK: INLINEASM $nop, 1, 12, implicit-def dead early-clobber %ax, 12, implicit-def dead early-clobber %di
+ - 'INLINEASM $nop, 1, 12, implicit-def dead early-clobber %ax, 12, implicit-def dead early-clobber %di'
+ - '%edi = COPY killed %ecx'
+ - 'CALL64pcrel32 @foo, csr_64, implicit %rsp, implicit %edi, implicit-def %rsp'
+ - '%rax = POP64r implicit-def %rsp, implicit %rsp'
+ - RETQ
+...