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60 lines
2.3 KiB
60 lines
2.3 KiB
# RUN: llc -emit-call-site-info -start-after=machineverifier -filetype=obj -o - %s \
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# RUN: | llvm-dwarfdump - | FileCheck %s --implicit-check-not=DW_TAG_GNU_call_site_parameter
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## This test would previously trigger an assertion when trying to describe the
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## call site value for the MOV16ri instruction.
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## Based on the following reproducer:
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## a(short);
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## b() { a(1); }
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--- |
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target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-w64-windows-gnu"
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; Function Attrs: nounwind uwtable
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define dso_local i32 @b() local_unnamed_addr !dbg !14 {
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entry:
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%call = tail call i32 @a(i16 1), !dbg !17
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ret i32 undef, !dbg !18
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}
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declare !dbg !4 dso_local i32 @a(i16) local_unnamed_addr
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9, !10, !11, !12}
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!llvm.ident = !{!13}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
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!1 = !DIFile(filename: "1.c", directory: "/")
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!2 = !{}
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!3 = !{!4}
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!4 = !DISubprogram(name: "a", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
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!5 = !DISubroutineType(types: !6)
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!6 = !{!7, !8}
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!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!8 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed)
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!9 = !{i32 7, !"Dwarf Version", i32 4}
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!10 = !{i32 2, !"Debug Info Version", i32 3}
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!11 = !{i32 1, !"wchar_size", i32 2}
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!12 = !{i32 7, !"PIC Level", i32 2}
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!13 = !{!"clang version 11.0.0"}
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!14 = distinct !DISubprogram(name: "b", scope: !1, file: !1, line: 3, type: !15, scopeLine: 3, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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!15 = !DISubroutineType(types: !16)
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!16 = !{!7}
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!17 = !DILocation(line: 4, column: 3, scope: !14)
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!18 = !DILocation(line: 5, column: 1, scope: !14)
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...
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---
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name: b
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alignment: 16
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callSites:
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- { bb: 0, offset: 1, fwdArgRegs:
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- { arg: 0, reg: '$cx' } }
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body: |
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bb.0.entry:
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$cx = MOV16ri 1, debug-location !17
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TAILJMPd64 @a, csr_win64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit killed $cx, debug-location !17
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...
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