# 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 ...