| # 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 |
| ... |