1# Test call site parameter encoding in DWARFv4. 2# When the debugger tuning is set to gdb, use GNU opcodes. 3# For lldb, use the standard DWARF5 opcodes. 4 5# 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 6# 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 7# 8# extern void foo(int *a, int b, int c, int d, int e, int f); 9# extern int getVal(); 10# 11# void baa(int arg1, int arg2, int arg3) { 12# int local1 = getVal(); 13# foo(&local1, arg2, 10, 15, arg3 + 3, arg1 + arg2); 14# } 15# 16# CHECK-GNU: DW_TAG_GNU_call_site 17# CHECK-GNU: DW_AT_abstract_origin {{.*}} "getVal" 18# 19# CHECK-GNU: DW_TAG_GNU_call_site 20# CHECK-GNU: DW_AT_abstract_origin {{.*}} "foo" 21# CHECK-GNU: DW_AT_low_pc {{.*}} 22# CHECK-GNU-EMPTY: 23# CHECK-GNU: DW_TAG_GNU_call_site_parameter 24# CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg2 RCX) 25# CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_lit15) 26# CHECK-GNU: DW_TAG_GNU_call_site_parameter 27# CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg1 RDX) 28# CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_lit10) 29# CHECK-GNU: DW_TAG_GNU_call_site_parameter 30# CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg4 RSI) 31# CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg3 RBX+0) 32# CHECK-GNU: DW_TAG_GNU_call_site_parameter 33# CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg5 RDI) 34# CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_fbreg +12) 35# CHECK-GNU: DW_TAG_GNU_call_site_parameter 36# CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg9 R9) 37# CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg15 R15+0, DW_OP_breg3 RBX+0, DW_OP_plus) 38# CHECK-GNU: DW_TAG_GNU_call_site_parameter 39# CHECK-GNU-NEXT: DW_AT_location (DW_OP_reg8 R8) 40# CHECK-GNU-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+3) 41 42# CHECK-DWARF5: DW_TAG_call_site 43# CHECK-DWARF5: DW_AT_call_origin ([[getValue_SP:.*]] "getVal") 44# 45# CHECK-DWARF5: DW_TAG_call_site 46# CHECK-DWARF5: DW_AT_call_origin ([[foo_SP:.*]] "foo") 47# CHECK-DWARF5: DW_AT_call_return_pc {{.*}} 48# CHECK-DWARF5-EMPTY: 49# CHECK-DWARF5: DW_TAG_call_site_parameter 50# CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg2 RCX) 51# CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_lit15) 52# CHECK-DWARF5: DW_TAG_call_site_parameter 53# CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg1 RDX) 54# CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_lit10) 55# CHECK-DWARF5: DW_TAG_call_site_parameter 56# CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg4 RSI) 57# CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_breg3 RBX+0) 58# CHECK-DWARF5: DW_TAG_call_site_parameter 59# CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg5 RDI) 60# CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_fbreg +12) 61# CHECK-DWARF5: DW_TAG_call_site_parameter 62# CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg9 R9) 63# CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_breg15 R15+0, DW_OP_breg3 RBX+0, DW_OP_plus) 64# CHECK-DWARF5: DW_TAG_call_site_parameter 65# CHECK-DWARF5-NEXT: DW_AT_location (DW_OP_reg8 R8) 66# CHECK-DWARF5-NEXT: DW_AT_call_value (DW_OP_breg14 R14+3) 67 68# CHECK-DWARF5: [[getValue_SP]]: DW_TAG_subprogram 69# CHECK-DWARF5-NEXT: DW_AT_name ("getVal") 70 71# CHECK-DWARF5: [[foo_SP]]: DW_TAG_subprogram 72# CHECK-DWARF5-NEXT: DW_AT_name ("foo") 73 74--- | 75 ; ModuleID = 'test.c' 76 source_filename = "test.c" 77 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 78 79 ; Function Attrs: nounwind uwtable 80 define dso_local void @baa(i32 %arg1, i32 %arg2, i32 %arg3) local_unnamed_addr !dbg !10 { 81 entry: 82 %local1 = alloca i32, align 4 83 call void @llvm.dbg.value(metadata i32 %arg1, metadata !15, metadata !DIExpression()), !dbg !19 84 call void @llvm.dbg.value(metadata i32 %arg2, metadata !16, metadata !DIExpression()), !dbg !20 85 call void @llvm.dbg.value(metadata i32 %arg3, metadata !17, metadata !DIExpression()), !dbg !21 86 %0 = bitcast ptr %local1 to ptr, !dbg !22 87 %call = tail call i32 (...) @getVal(), !dbg !23 88 call void @llvm.dbg.value(metadata i32 %call, metadata !18, metadata !DIExpression()), !dbg !24 89 store i32 %call, ptr %local1, align 4, !dbg !24 90 %add = add nsw i32 %arg3, 3, !dbg !24 91 %add1 = add nsw i32 %arg2, %arg1, !dbg !24 92 call void @llvm.dbg.value(metadata ptr %local1, metadata !18, metadata !DIExpression(DW_OP_deref)), !dbg !24 93 call void @foo(ptr nonnull %local1, i32 %arg2, i32 10, i32 15, i32 %add, i32 %add1), !dbg !24 94 ret void, !dbg !24 95 } 96 97 declare !dbg !4 dso_local i32 @getVal(...) local_unnamed_addr 98 99 declare !dbg !5 dso_local void @foo(ptr, i32, i32, i32, i32, i32) local_unnamed_addr 100 101 ; Function Attrs: nounwind readnone speculatable 102 declare void @llvm.dbg.value(metadata, metadata, metadata) 103 104 !llvm.dbg.cu = !{!0} 105 !llvm.module.flags = !{!6, !7, !8} 106 !llvm.ident = !{!9} 107 108 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) 109 !1 = !DIFile(filename: "test.c", directory: "/dir") 110 !2 = !{} 111 !4 = !DISubprogram(name: "getVal", scope: !1, file: !1, line: 2, spFlags: DISPFlagOptimized, retainedNodes: !2) 112 !5 = !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) 113 !6 = !{i32 2, !"Dwarf Version", i32 4} 114 !7 = !{i32 2, !"Debug Info Version", i32 3} 115 !8 = !{i32 1, !"wchar_size", i32 4} 116 !9 = !{!"clang version 9.0.0"} 117 !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) 118 !11 = !DISubroutineType(types: !12) 119 !12 = !{null, !13, !13, !13} 120 !13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 121 !14 = !{!15, !16, !17, !18} 122 !15 = !DILocalVariable(name: "arg1", arg: 1, scope: !10, file: !1, line: 4, type: !13) 123 !16 = !DILocalVariable(name: "arg2", arg: 2, scope: !10, file: !1, line: 4, type: !13) 124 !17 = !DILocalVariable(name: "arg3", arg: 3, scope: !10, file: !1, line: 4, type: !13) 125 !18 = !DILocalVariable(name: "local1", scope: !10, file: !1, line: 5, type: !13) 126 !19 = !DILocation(line: 4, column: 14, scope: !10) 127 !20 = !DILocation(line: 4, column: 24, scope: !10) 128 !21 = !DILocation(line: 4, column: 34, scope: !10) 129 !22 = !DILocation(line: 5, column: 3, scope: !10) 130 !23 = !DILocation(line: 5, column: 16, scope: !10) 131 !24 = !DILocation(line: 5, column: 7, scope: !10) 132 133... 134--- 135name: baa 136liveins: 137 - { reg: '$edi', virtual-reg: '' } 138 - { reg: '$esi', virtual-reg: '' } 139 - { reg: '$edx', virtual-reg: '' } 140callSites: 141 - { bb: 0, offset: 21, fwdArgRegs: [] } 142 - { bb: 0, offset: 31, fwdArgRegs: 143 - { arg: 0, reg: '$rdi' } 144 - { arg: 1, reg: '$esi' } 145 - { arg: 2, reg: '$edx' } 146 - { arg: 3, reg: '$ecx' } 147 - { arg: 4, reg: '$r8d' } 148 - { arg: 5, reg: '$r9d' } } 149body: | 150 bb.0.entry: 151 liveins: $edi, $edx, $esi, $r15, $r14, $rbx 152 153 DBG_VALUE $edi, $noreg, !15, !DIExpression(), debug-location !19 154 DBG_VALUE $esi, $noreg, !16, !DIExpression(), debug-location !20 155 DBG_VALUE $edx, $noreg, !17, !DIExpression(), debug-location !21 156 frame-setup PUSH64r killed $r15, implicit-def $rsp, implicit $rsp 157 CFI_INSTRUCTION def_cfa_offset 16 158 frame-setup PUSH64r killed $r14, implicit-def $rsp, implicit $rsp 159 CFI_INSTRUCTION def_cfa_offset 24 160 frame-setup PUSH64r killed $rbx, implicit-def $rsp, implicit $rsp 161 CFI_INSTRUCTION def_cfa_offset 32 162 $rsp = frame-setup SUB64ri8 $rsp, 16, implicit-def dead $eflags 163 CFI_INSTRUCTION def_cfa_offset 48 164 CFI_INSTRUCTION offset $rbx, -32 165 CFI_INSTRUCTION offset $r14, -24 166 CFI_INSTRUCTION offset $r15, -16 167 $r14d = MOV32rr $edx, implicit-def $r14 168 $ebx = MOV32rr $esi, implicit-def $rbx 169 $r15d = MOV32rr $edi, implicit-def $r15 170 DBG_VALUE $r14d, $noreg, !17, !DIExpression(), debug-location !21 171 DBG_VALUE $ebx, $noreg, !16, !DIExpression(), debug-location !20 172 DBG_VALUE $r15d, $noreg, !15, !DIExpression(), debug-location !19 173 dead $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags, implicit-def $al, debug-location !23 174 CALL64pcrel32 @getVal, csr_64, implicit $rsp, implicit $ssp, implicit $al, implicit-def $rsp, implicit-def $ssp, implicit-def $eax, debug-location !23 175 DBG_VALUE $eax, $noreg, !18, !DIExpression(), debug-location !24 176 MOV32mr $rsp, 1, $noreg, 12, $noreg, killed renamable $eax, debug-location !24 :: (store (s32) into %ir.local1) 177 renamable $r8d = LEA64_32r killed renamable $r14, 1, $noreg, 3, $noreg, debug-location !24 178 renamable $r9d = LEA64_32r killed renamable $r15, 1, renamable $rbx, 0, $noreg, debug-location !24 179 DBG_VALUE $rsp, $noreg, !18, !DIExpression(DW_OP_plus_uconst, 12, DW_OP_deref), debug-location !24 180 renamable $rdi = LEA64r $rsp, 1, $noreg, 12, $noreg 181 $esi = MOV32rr $ebx, implicit killed $rbx, debug-location !24 182 $edx = MOV32ri 10, debug-location !24 183 $ecx = MOV32ri 15, debug-location !24 184 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 !24 185 $rsp = frame-destroy ADD64ri8 $rsp, 16, implicit-def dead $eflags, debug-location !24 186 CFI_INSTRUCTION def_cfa_offset 32, debug-location !24 187 $rbx = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !24 188 CFI_INSTRUCTION def_cfa_offset 24, debug-location !24 189 $r14 = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !24 190 CFI_INSTRUCTION def_cfa_offset 16, debug-location !24 191 $r15 = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !24 192 CFI_INSTRUCTION def_cfa_offset 8, debug-location !24 193 RET64 debug-location !24 194 195... 196