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96 lines
4.4 KiB
YAML
96 lines
4.4 KiB
YAML
# RUN: llc -O1 -emit-call-site-info -filetype=obj -mtriple thumbv7em-apple-unknown-macho -start-after=machineverifier %s -o %t.o
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# RUN: llvm-dwarfdump %t.o | FileCheck %s
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# Crash test, reduced from:
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#
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# a(double);
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# b(double c) {
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# d();
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# a(c);
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# }
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# CHECK: DW_TAG_GNU_call_site
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# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "a"
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# CHECK-NOT: call_site_parameter
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--- |
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; ModuleID = 'unreduced.c'
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source_filename = "unreduced.c"
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target datalayout = "e-m:o-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "thumbv7em-apple-unknown-macho"
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; Function Attrs: nounwind optsize uwtable
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define arm_aapcs_vfpcc i32 @b(double %c) local_unnamed_addr #0 !dbg !16 {
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entry:
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call void @llvm.dbg.value(metadata double %c, metadata !18, metadata !DIExpression()), !dbg !19
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%call = tail call arm_aapcs_vfpcc i32 bitcast (i32 (...)* @d to i32 ()*)(), !dbg !20
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%call1 = tail call arm_aapcs_vfpcc i32 @a(double %c), !dbg !21
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ret i32 undef, !dbg !22
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}
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declare arm_aapcs_vfpcc i32 @d(...) local_unnamed_addr #0
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declare !dbg !4 arm_aapcs_vfpcc i32 @a(double) local_unnamed_addr #0
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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declare void @llvm.stackprotector(i8*, i8**)
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attributes #0 = { "disable-tail-calls"="false" "frame-pointer"="all" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!10, !11, !12, !13, !14}
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!llvm.ident = !{!15}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0 (git@github.com:apple/llvm-project.git 6203ec90d0bb0fd705fc0ad00ee263e5579aa709)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
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!1 = !DIFile(filename: "jnyn_freeBSD.c", directory: "/Users/vsk/tmp/jnyn")
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!2 = !{}
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!3 = !{!4}
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!4 = !DISubprogram(name: "a", scope: !5, file: !5, line: 1, type: !6, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
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!5 = !DIFile(filename: "unreduced.c", directory: "/Users/vsk/tmp/jnyn")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8, !9}
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!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!9 = !DIBasicType(name: "double", size: 64, encoding: DW_ATE_float)
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!10 = !{i32 7, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{i32 1, !"wchar_size", i32 4}
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!13 = !{i32 1, !"min_enum_size", i32 4}
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!14 = !{i32 7, !"PIC Level", i32 2}
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!15 = !{!"clang version 10.0.0 (git@github.com:apple/llvm-project.git 6203ec90d0bb0fd705fc0ad00ee263e5579aa709)"}
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!16 = distinct !DISubprogram(name: "b", scope: !5, file: !5, line: 2, type: !6, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17)
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!17 = !{!18}
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!18 = !DILocalVariable(name: "c", arg: 1, scope: !16, file: !5, line: 2, type: !9)
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!19 = !DILocation(line: 0, scope: !16)
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!20 = !DILocation(line: 3, column: 3, scope: !16)
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!21 = !DILocation(line: 4, column: 3, scope: !16)
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!22 = !DILocation(line: 5, column: 1, scope: !16)
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...
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---
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name: b
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callSites:
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- { bb: 0, offset: 12, fwdArgRegs: [] }
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- { bb: 0, offset: 18, fwdArgRegs:
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- { arg: 0, reg: '$d0' } }
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body: |
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bb.0.entry:
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liveins: $d0, $lr, $d8
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DBG_VALUE $d0, $noreg, !18, !DIExpression(), debug-location !19
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frame-setup tPUSH 14, $noreg, $r7, killed $lr, implicit-def $sp, implicit $sp
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frame-setup CFI_INSTRUCTION def_cfa_offset 8
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frame-setup CFI_INSTRUCTION offset $lr, -4
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frame-setup CFI_INSTRUCTION offset $r7, -8
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$r7 = frame-setup tMOVr $sp, 14, $noreg
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frame-setup CFI_INSTRUCTION def_cfa_register $r7
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$sp = frame-setup VSTMDDB_UPD $sp, 14, $noreg, killed $d8
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frame-setup CFI_INSTRUCTION offset $d8, -16
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$s16 = VMOVS killed $s0, 14, $noreg
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$s17 = VMOVS killed $s1, 14, $noreg, implicit-def $d8
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DBG_VALUE $d8, $noreg, !18, !DIExpression(), debug-location !19
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tBL 14, $noreg, @d, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $r0, debug-location !20
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$s0 = VMOVS killed $s16, 14, $noreg, debug-location !21
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$s1 = VMOVS killed $s17, 14, $noreg, implicit-def $d0, debug-location !21
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DBG_VALUE $d0, $noreg, !18, !DIExpression(), debug-location !19
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$sp = VLDMDIA_UPD $sp, 14, $noreg, def $d8, debug-location !21
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$sp = t2LDMIA_UPD $sp, 14, $noreg, def $r7, def $lr, debug-location !21
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tTAILJMPd @a, 14, $noreg, implicit $sp, implicit $sp, implicit killed $d0, debug-location !21
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...
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