# RUN: llc -march=x86-64 -start-after block-placement -stop-after block-placement -o - %s | FileCheck %s --- | define i64 @test(i64 %x, i64 %y) #0 { entry: %x0 = call { i64, i64 } asm "foo", "=r,=r,1,0,~{dirflag},~{fpsr},~{flags}"(i64 %x, i64 %y) #0 %x1 = extractvalue { i64, i64 } %x0, 0 ret i64 %x1 } define i64 @test2(i64 %x, i64 %y) #0 { entry: %x0 = call { i64, i64 } asm "foo", "=r,=r,1,0,~{dirflag},~{fpsr},~{flags}"(i64 %x, i64 %y) #0 %x1 = extractvalue { i64, i64 } %x0, 0 ret i64 %x1 } attributes #0 = { nounwind } ... --- name: test hasInlineAsm: true tracksRegLiveness: true liveins: - { reg: '%rdi' } - { reg: '%rsi' } body: | bb.0.entry: liveins: %rdi, %rsi ; CHECK-LABEL: name: test ; CHECK: INLINEASM $foo, 0, 2818058, def %rsi, 2818058, def dead %rdi, INLINEASM $foo, 0, 2818058, def %rsi, 2818058, def dead %rdi, 2147549193, killed %rdi, 2147483657, killed %rsi, 12, implicit-def dead early-clobber %eflags %rax = MOV64rr killed %rsi RETQ killed %rax ... --- name: test2 hasInlineAsm: true tracksRegLiveness: true liveins: - { reg: '%rdi' } - { reg: '%rsi' } body: | bb.0.entry: liveins: %rdi, %rsi ; Verify that the register ties are preserved. ; CHECK-LABEL: name: test2 ; CHECK: INLINEASM $foo, 0, 2818058, def %rsi, 2818058, def dead %rdi, 2147549193, killed %rdi(tied-def 5), 2147483657, killed %rsi(tied-def 3), 12, implicit-def dead early-clobber %eflags INLINEASM $foo, 0, 2818058, def %rsi, 2818058, def dead %rdi, 2147549193, killed %rdi(tied-def 5), 2147483657, killed %rsi(tied-def 3), 12, implicit-def dead early-clobber %eflags %rax = MOV64rr killed %rsi RETQ killed %rax ...