# RUN: llc -O1 -emit-call-site-info -filetype=obj -mtriple thumbv7em-apple-unknown-macho -start-after=machineverifier %s -o %t.o
# RUN: llvm-dwarfdump %t.o | FileCheck %s
# Crash test, reduced from:
#
# a(double);
# b(double c) {
# d();
# a(c);
# }
# CHECK: DW_TAG_GNU_call_site
# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "a"
# CHECK-NOT: call_site_parameter
--- |
; ModuleID = 'unreduced.c'
source_filename = "unreduced.c"
target datalayout = "e-m:o-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv7em-apple-unknown-macho"
; Function Attrs: nounwind optsize uwtable
define arm_aapcs_vfpcc i32 @b(double %c) local_unnamed_addr #0 !dbg !16 {
entry:
call void @llvm.dbg.value(metadata double %c, metadata !18, metadata !DIExpression()), !dbg !19
%call = tail call arm_aapcs_vfpcc i32 @d(), !dbg !20
%call1 = tail call arm_aapcs_vfpcc i32 @a(double %c), !dbg !21
ret i32 undef, !dbg !22
}
declare arm_aapcs_vfpcc i32 @d(...) local_unnamed_addr #0
declare !dbg !4 arm_aapcs_vfpcc i32 @a(double) local_unnamed_addr #0
declare void @llvm.dbg.value(metadata, metadata, metadata)
declare void @llvm.stackprotector(ptr, ptr)
attributes #0 = { "disable-tail-calls"="false" "frame-pointer"="all" "target-features"="+thumb-mode,+vfp2" }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!10, !11, !12, !13, !14}
!llvm.ident = !{!15}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0 ([email protected]:apple/llvm-project.git 6203ec90d0bb0fd705fc0ad00ee263e5579aa709)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
!1 = !DIFile(filename: "jnyn_freeBSD.c", directory: "/Users/vsk/tmp/jnyn")
!2 = !{}
!3 = !{!4}
!4 = !DISubprogram(name: "a", scope: !5, file: !5, line: 1, type: !6, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
!5 = !DIFile(filename: "unreduced.c", directory: "/Users/vsk/tmp/jnyn")
!6 = !DISubroutineType(types: !7)
!7 = !{!8, !9}
!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!9 = !DIBasicType(name: "double", size: 64, encoding: DW_ATE_float)
!10 = !{i32 7, !"Dwarf Version", i32 4}
!11 = !{i32 2, !"Debug Info Version", i32 3}
!12 = !{i32 1, !"wchar_size", i32 4}
!13 = !{i32 1, !"min_enum_size", i32 4}
!14 = !{i32 7, !"PIC Level", i32 2}
!15 = !{!"clang version 10.0.0 ([email protected]:apple/llvm-project.git 6203ec90d0bb0fd705fc0ad00ee263e5579aa709)"}
!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)
!17 = !{!18}
!18 = !DILocalVariable(name: "c", arg: 1, scope: !16, file: !5, line: 2, type: !9)
!19 = !DILocation(line: 0, scope: !16)
!20 = !DILocation(line: 3, column: 3, scope: !16)
!21 = !DILocation(line: 4, column: 3, scope: !16)
!22 = !DILocation(line: 5, column: 1, scope: !16)
...
---
name: b
callSites:
- { bb: 0, offset: 12, fwdArgRegs: [] }
- { bb: 0, offset: 18, fwdArgRegs:
- { arg: 0, reg: '$d0' } }
body: |
bb.0.entry:
liveins: $d0, $lr, $d8
DBG_VALUE $d0, $noreg, !18, !DIExpression(), debug-location !19
frame-setup tPUSH 14, $noreg, $r7, killed $lr, implicit-def $sp, implicit $sp
frame-setup CFI_INSTRUCTION def_cfa_offset 8
frame-setup CFI_INSTRUCTION offset $lr, -4
frame-setup CFI_INSTRUCTION offset $r7, -8
$r7 = frame-setup tMOVr $sp, 14, $noreg
frame-setup CFI_INSTRUCTION def_cfa_register $r7
$sp = frame-setup VSTMDDB_UPD $sp, 14, $noreg, killed $d8
frame-setup CFI_INSTRUCTION offset $d8, -16
$s16 = VMOVS killed $s0, 14, $noreg
$s17 = VMOVS killed $s1, 14, $noreg, implicit-def $d8
DBG_VALUE $d8, $noreg, !18, !DIExpression(), debug-location !19
tBL 14, $noreg, @d, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $r0, debug-location !20
$s0 = VMOVS killed $s16, 14, $noreg, debug-location !21
$s1 = VMOVS killed $s17, 14, $noreg, implicit-def $d0, debug-location !21
DBG_VALUE $d0, $noreg, !18, !DIExpression(), debug-location !19
$sp = VLDMDIA_UPD $sp, 14, $noreg, def $d8, debug-location !21
$sp = t2LDMIA_UPD $sp, 14, $noreg, def $r7, def $lr, debug-location !21
tTAILJMPd @a, 14, $noreg, implicit $sp, implicit $sp, implicit killed $d0, debug-location !21
...
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