| # Test call site parameter encoding in DWARFv4. |
| # When the debugger tuning is set to gdb, use GNU opcodes. |
| # For lldb, use the standard DWARF5 opcodes. |
| |
| # RUN: llc -emit-call-site-info -debugger-tune=gdb -filetype=obj -mtriple=x86_64-unknown-unknown -start-after=machineverifier -o - %s | llvm-dwarfdump - | FileCheck %s -check-prefixes=CHECK-GNU |
| # RUN: llc -emit-call-site-info -debugger-tune=lldb -filetype=obj -mtriple=x86_64-unknown-unknown -start-after=machineverifier -o - %s | llvm-dwarfdump - | FileCheck %s -check-prefixes=CHECK-DWARF5 |
| # |
| # extern void foo(int *a, int b, int c, int d, int e, int f); |
| # extern int getVal(); |
| # |
| # void baa(int arg1, int arg2, int arg3) { |
| # int local1 = getVal(); |
| # foo(&local1, arg2, 10, 15, arg3 + 3, arg1 + arg2); |
| # } |
| # |
| # CHECK-GNU: DW_TAG_GNU_call_site |
| # CHECK-GNU: DW_AT_abstract_origin {{.*}} "getVal" |
| # |
| # CHECK-GNU: DW_TAG_GNU_call_site |
| # CHECK-GNU: DW_AT_abstract_origin {{.*}} "foo" |
| # CHECK-GNU: DW_AT_low_pc {{.*}} |
| # CHECK-GNU-EMPTY: |
| # CHECK-GNU: DW_TAG_GNU_call_site_parameter |
| # CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg2 RCX) |
| # CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_lit15) |
| # CHECK-GNU: DW_TAG_GNU_call_site_parameter |
| # CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg1 RDX) |
| # CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_lit10) |
| # CHECK-GNU: DW_TAG_GNU_call_site_parameter |
| # CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg4 RSI) |
| # CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg3 RBX+0) |
| # CHECK-GNU: DW_TAG_GNU_call_site_parameter |
| # CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg5 RDI) |
| # CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_fbreg +12) |
| # CHECK-GNU: DW_TAG_GNU_call_site_parameter |
| # CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg9 R9) |
| # CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg15 R15+0, DW_OP_breg3 RBX+0, DW_OP_plus) |
| # CHECK-GNU: DW_TAG_GNU_call_site_parameter |
| # CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg8 R8) |
| # CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+3) |
| |
| # CHECK-DWARF5: DW_TAG_call_site |
| # CHECK-DWARF5: DW_AT_call_origin ([[getValue_SP:.*]]) |
| |
| # CHECK-DWARF5: DW_TAG_call_site |
| # CHECK-DWARF5: DW_AT_call_origin ([[foo_SP:.*]]) |
| # CHECK-DWARF5: DW_AT_call_return_pc {{.*}} |
| # CHECK-DWARF5-EMPTY: |
| # CHECK-DWARF5: DW_TAG_call_site_parameter |
| # CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg2 RCX) |
| # CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_lit15) |
| # CHECK-DWARF5: DW_TAG_call_site_parameter |
| # CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg1 RDX) |
| # CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_lit10) |
| # CHECK-DWARF5: DW_TAG_call_site_parameter |
| # CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg4 RSI) |
| # CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_breg3 RBX+0) |
| # CHECK-DWARF5: DW_TAG_call_site_parameter |
| # CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg5 RDI) |
| # CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_fbreg +12) |
| # CHECK-DWARF5: DW_TAG_call_site_parameter |
| # CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg9 R9) |
| # CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_breg15 R15+0, DW_OP_breg3 RBX+0, DW_OP_plus) |
| # CHECK-DWARF5: DW_TAG_call_site_parameter |
| # CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg8 R8) |
| # CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_breg14 R14+3) |
| |
| # CHECK-DWARF5: [[getValue_SP]]: DW_TAG_subprogram |
| # CHECK-DWARF5-NEXT: DW_AT_name ("getVal") |
| |
| # CHECK-DWARF5: [[foo_SP]]: DW_TAG_subprogram |
| # CHECK-DWARF5-NEXT: DW_AT_name ("foo") |
| |
| --- | |
| ; ModuleID = 'test.c' |
| source_filename = "test.c" |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| ; Function Attrs: nounwind uwtable |
| define dso_local void @baa(i32 %arg1, i32 %arg2, i32 %arg3) local_unnamed_addr !dbg !10 { |
| entry: |
| %local1 = alloca i32, align 4 |
| call void @llvm.dbg.value(metadata i32 %arg1, metadata !15, metadata !DIExpression()), !dbg !19 |
| call void @llvm.dbg.value(metadata i32 %arg2, metadata !16, metadata !DIExpression()), !dbg !20 |
| call void @llvm.dbg.value(metadata i32 %arg3, metadata !17, metadata !DIExpression()), !dbg !21 |
| %0 = bitcast i32* %local1 to i8*, !dbg !22 |
| %call = tail call i32 (...) @getVal(), !dbg !23 |
| call void @llvm.dbg.value(metadata i32 %call, metadata !18, metadata !DIExpression()), !dbg !24 |
| store i32 %call, i32* %local1, align 4, !dbg !24 |
| %add = add nsw i32 %arg3, 3, !dbg !24 |
| %add1 = add nsw i32 %arg2, %arg1, !dbg !24 |
| call void @llvm.dbg.value(metadata i32* %local1, metadata !18, metadata !DIExpression(DW_OP_deref)), !dbg !24 |
| call void @foo(i32* nonnull %local1, i32 %arg2, i32 10, i32 15, i32 %add, i32 %add1), !dbg !24 |
| ret void, !dbg !24 |
| } |
| |
| declare !dbg !4 dso_local i32 @getVal(...) local_unnamed_addr |
| |
| declare !dbg !5 dso_local void @foo(i32*, i32, i32, i32, i32, i32) local_unnamed_addr |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!6, !7, !8} |
| !llvm.ident = !{!9} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None) |
| !1 = !DIFile(filename: "test.c", directory: "/dir") |
| !2 = !{} |
| !3 = !{!4, !5} |
| !4 = !DISubprogram(name: "getVal", scope: !1, file: !1, line: 2, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !5 = !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !6 = !{i32 2, !"Dwarf Version", i32 4} |
| !7 = !{i32 2, !"Debug Info Version", i32 3} |
| !8 = !{i32 1, !"wchar_size", i32 4} |
| !9 = !{!"clang version 9.0.0"} |
| !10 = distinct !DISubprogram(name: "baa", scope: !1, file: !1, line: 4, type: !11, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !14) |
| !11 = !DISubroutineType(types: !12) |
| !12 = !{null, !13, !13, !13} |
| !13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !14 = !{!15, !16, !17, !18} |
| !15 = !DILocalVariable(name: "arg1", arg: 1, scope: !10, file: !1, line: 4, type: !13) |
| !16 = !DILocalVariable(name: "arg2", arg: 2, scope: !10, file: !1, line: 4, type: !13) |
| !17 = !DILocalVariable(name: "arg3", arg: 3, scope: !10, file: !1, line: 4, type: !13) |
| !18 = !DILocalVariable(name: "local1", scope: !10, file: !1, line: 5, type: !13) |
| !19 = !DILocation(line: 4, column: 14, scope: !10) |
| !20 = !DILocation(line: 4, column: 24, scope: !10) |
| !21 = !DILocation(line: 4, column: 34, scope: !10) |
| !22 = !DILocation(line: 5, column: 3, scope: !10) |
| !23 = !DILocation(line: 5, column: 16, scope: !10) |
| !24 = !DILocation(line: 5, column: 7, scope: !10) |
| |
| ... |
| --- |
| name: baa |
| liveins: |
| - { reg: '$edi', virtual-reg: '' } |
| - { reg: '$esi', virtual-reg: '' } |
| - { reg: '$edx', virtual-reg: '' } |
| callSites: |
| - { bb: 0, offset: 21, fwdArgRegs: [] } |
| - { bb: 0, offset: 31, fwdArgRegs: |
| - { arg: 0, reg: '$rdi' } |
| - { arg: 1, reg: '$esi' } |
| - { arg: 2, reg: '$edx' } |
| - { arg: 3, reg: '$ecx' } |
| - { arg: 4, reg: '$r8d' } |
| - { arg: 5, reg: '$r9d' } } |
| body: | |
| bb.0.entry: |
| liveins: $edi, $edx, $esi, $r15, $r14, $rbx |
| |
| DBG_VALUE $edi, $noreg, !15, !DIExpression(), debug-location !19 |
| DBG_VALUE $esi, $noreg, !16, !DIExpression(), debug-location !20 |
| DBG_VALUE $edx, $noreg, !17, !DIExpression(), debug-location !21 |
| frame-setup PUSH64r killed $r15, implicit-def $rsp, implicit $rsp |
| CFI_INSTRUCTION def_cfa_offset 16 |
| frame-setup PUSH64r killed $r14, implicit-def $rsp, implicit $rsp |
| CFI_INSTRUCTION def_cfa_offset 24 |
| frame-setup PUSH64r killed $rbx, implicit-def $rsp, implicit $rsp |
| CFI_INSTRUCTION def_cfa_offset 32 |
| $rsp = frame-setup SUB64ri8 $rsp, 16, implicit-def dead $eflags |
| CFI_INSTRUCTION def_cfa_offset 48 |
| CFI_INSTRUCTION offset $rbx, -32 |
| CFI_INSTRUCTION offset $r14, -24 |
| CFI_INSTRUCTION offset $r15, -16 |
| $r14d = MOV32rr $edx, implicit-def $r14 |
| $ebx = MOV32rr $esi, implicit-def $rbx |
| $r15d = MOV32rr $edi, implicit-def $r15 |
| DBG_VALUE $r14d, $noreg, !17, !DIExpression(), debug-location !21 |
| DBG_VALUE $ebx, $noreg, !16, !DIExpression(), debug-location !20 |
| DBG_VALUE $r15d, $noreg, !15, !DIExpression(), debug-location !19 |
| dead $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags, implicit-def $al, debug-location !23 |
| CALL64pcrel32 @getVal, csr_64, implicit $rsp, implicit $ssp, implicit $al, implicit-def $rsp, implicit-def $ssp, implicit-def $eax, debug-location !23 |
| DBG_VALUE $eax, $noreg, !18, !DIExpression(), debug-location !24 |
| MOV32mr $rsp, 1, $noreg, 12, $noreg, killed renamable $eax, debug-location !24 :: (store 4 into %ir.local1) |
| renamable $r8d = LEA64_32r killed renamable $r14, 1, $noreg, 3, $noreg, debug-location !24 |
| renamable $r9d = LEA64_32r killed renamable $r15, 1, renamable $rbx, 0, $noreg, debug-location !24 |
| DBG_VALUE $rsp, $noreg, !18, !DIExpression(DW_OP_plus_uconst, 12, DW_OP_deref), debug-location !24 |
| renamable $rdi = LEA64r $rsp, 1, $noreg, 12, $noreg |
| $esi = MOV32rr $ebx, implicit killed $rbx, debug-location !24 |
| $edx = MOV32ri 10, debug-location !24 |
| $ecx = MOV32ri 15, debug-location !24 |
| CALL64pcrel32 @foo, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $esi, implicit $edx, implicit killed $ecx, implicit $r8d, implicit $r9d, implicit-def $rsp, implicit-def $ssp, debug-location !24 |
| $rsp = frame-destroy ADD64ri8 $rsp, 16, implicit-def dead $eflags, debug-location !24 |
| CFI_INSTRUCTION def_cfa_offset 32, debug-location !24 |
| $rbx = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !24 |
| CFI_INSTRUCTION def_cfa_offset 24, debug-location !24 |
| $r14 = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !24 |
| CFI_INSTRUCTION def_cfa_offset 16, debug-location !24 |
| $r15 = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !24 |
| CFI_INSTRUCTION def_cfa_offset 8, debug-location !24 |
| RETQ debug-location !24 |
| |
| ... |
