| # RUN: llc -march=x86-64 -run-pass none -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 |
| 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 |
| 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 |
| ... |