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| # RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses pre- and post-instruction symbols
# and MCSymbol operands correctly.
--- |
declare void @f(i32 %x) nounwind
declare void @g(i32 %x) nounwind
declare void @h(i32 %x) nounwind
define i64 @test(i32 %x) nounwind {
entry:
call void @f(i32 %x)
call void @g(i32 %x)
call void @h(i32 %x), !dbg !9
ret i64 undef
}
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!6, !7}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
!1 = !DIFile(filename: "test.ll", directory: "")
!2 = !{}
!4 = distinct !DISubprogram(name: "test", scope: !5, file: !5, line: 4, type: !2, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!5 = !DIFile(filename: "test.c", directory: "")
!6 = !{i32 2, !"Dwarf Version", i32 4}
!7 = !{i32 2, !"Debug Info Version", i32 3}
!9 = !DILocation(line: 1, scope: !4)
...
---
name: test
# CHECK-LABEL: name: test
tracksRegLiveness: true
frameInfo:
hasCalls: true
body: |
bb.0.entry:
liveins: $edi
%0:gr32 = COPY $edi
%1:gr32 = COPY killed %0
ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
$edi = COPY %1
CALL64pcrel32 @f, csr_64, implicit $rsp, implicit $ssp, implicit $edi, pre-instr-symbol <mcsymbol .Lpre_f>, post-instr-symbol <mcsymbol .Lpost_f>
; CHECK: CALL64pcrel32 @f, {{.*}}, pre-instr-symbol <mcsymbol .Lpre_f>, post-instr-symbol <mcsymbol .Lpost_f>
ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
$edi = COPY %1
CALL64pcrel32 @g, csr_64, implicit $rsp, implicit $ssp, implicit $edi, pre-instr-symbol <mcsymbol .Lpre_g>
; CHECK: CALL64pcrel32 @g, {{.*}}, pre-instr-symbol <mcsymbol .Lpre_g>
ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
$edi = COPY %1
CALL64pcrel32 @h, csr_64, implicit $rsp, implicit $ssp, implicit $edi, post-instr-symbol <mcsymbol .Lpost_h>, debug-location !9
; CHECK: CALL64pcrel32 @h, {{.*}}, post-instr-symbol <mcsymbol .Lpost_h>, debug-location
ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
%2:gr64 = MOV64ri32 <mcsymbol .Lpre_f>
%3:gr64 = MOV64ri32 <mcsymbol .Lpost_f>
%4:gr64 = MOV64ri32 <mcsymbol .Lpre_g>
%5:gr64 = MOV64ri32 <mcsymbol .Lpost_h>
; CHECK: %2:gr64 = MOV64ri32 <mcsymbol .Lpre_f>
; CHECK: %3:gr64 = MOV64ri32 <mcsymbol .Lpost_f>
; CHECK: %4:gr64 = MOV64ri32 <mcsymbol .Lpre_g>
; CHECK: %5:gr64 = MOV64ri32 <mcsymbol .Lpost_h>
%6:gr64 = ADD64rr killed %2, killed %3, implicit-def $eflags
%7:gr64 = ADD64rr killed %4, killed %5, implicit-def $eflags
%8:gr64 = ADD64rr killed %6, killed %7, implicit-def $eflags
$rax = COPY %8
RETQ implicit $rax
...
|