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| # RUN: llc -march=x86-64 -run-pass none -o - %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
tracksRegLiveness: true
liveins:
- { reg: '$edi' }
- { reg: '$esi' }
frameInfo:
stackSize: 8
adjustsStack: true
hasCalls: true
body: |
bb.0.entry:
liveins: $edi, $esi
frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp
CFI_INSTRUCTION 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
...
|