| # 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(float); |
| # b(double c) { |
| # d(); |
| # a(c); |
| # } |
| # |
| # Some minor surgery was performed on the MIR to remove a call to a truncating |
| # cast builtin between the calls to "d" and "a", and to force d0 as the copy dst |
| # and s0 as the forwarding reg. |
| # |
| # This was done to test the case where the copy dst (d0) is a super-reg of the |
| # forwarding reg (s0). |
| |
| # CHECK: DW_TAG_GNU_call_site |
| # CHECK-NEXT: DW_AT_abstract_origin {{.*}} "a" |
| # CHECK-NOT: call_site_parameter |
| |
| --- | |
| 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 !21, metadata !DIExpression()), !dbg !22 |
| %call = tail call arm_aapcs_vfpcc i32 bitcast (i32 (...)* @d to i32 ()*)(), !dbg !23 |
| %conv = fptrunc double %c to float, !dbg !24 |
| %call1 = tail call arm_aapcs_vfpcc i32 @a(float %conv), !dbg !25 |
| ret i32 undef, !dbg !26 |
| } |
| declare arm_aapcs_vfpcc i32 @d(...) local_unnamed_addr #0 |
| declare !dbg !4 arm_aapcs_vfpcc i32 @a(float) local_unnamed_addr #0 |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| declare void @llvm.stackprotector(i8*, i8**) |
| |
| attributes #0 = { "disable-tail-calls"="false" "frame-pointer"="all" } |
| |
| !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 (git@github.com: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: "unreduced2.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: "float", size: 32, 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 (git@github.com:apple/llvm-project.git 6203ec90d0bb0fd705fc0ad00ee263e5579aa709)"} |
| !16 = distinct !DISubprogram(name: "b", scope: !5, file: !5, line: 2, type: !17, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !20) |
| !17 = !DISubroutineType(types: !18) |
| !18 = !{!8, !19} |
| !19 = !DIBasicType(name: "double", size: 64, encoding: DW_ATE_float) |
| !20 = !{!21} |
| !21 = !DILocalVariable(name: "c", arg: 1, scope: !16, file: !5, line: 2, type: !19) |
| !22 = !DILocation(line: 0, scope: !16) |
| !23 = !DILocation(line: 3, column: 3, scope: !16) |
| !24 = !DILocation(line: 4, column: 5, scope: !16) |
| !25 = !DILocation(line: 4, column: 3, scope: !16) |
| !26 = !DILocation(line: 5, column: 1, scope: !16) |
| |
| ... |
| --- |
| name: b |
| callSites: |
| - { bb: 0, offset: 12, fwdArgRegs: [] } |
| - { bb: 0, offset: 15, fwdArgRegs: |
| - { arg: 0, reg: '$s0' } } |
| body: | |
| bb.0.entry: |
| liveins: $d0, $lr, $d8 |
| |
| DBG_VALUE $d0, $noreg, !21, !DIExpression(), debug-location !22 |
| 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, !21, !DIExpression(), debug-location !22 |
| tBL 14, $noreg, @d, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $r0, debug-location !23 |
| $d0 = VMOVD killed $d8, 14, $noreg, debug-location !24 |
| DBG_VALUE $d0, $noreg, !21, !DIExpression(), debug-location !22 |
| tTAILJMPd @a, 14, $noreg, implicit $sp, implicit $sp, implicit killed $s0, debug-location !25 |
| |
| ... |