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