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1# RUN: llc -mtriple=x86_64-pc-linux %s -run-pass=branch-folder -o - | FileCheck %s2 3--- |4 ; ModuleID = 'case2.c'5 source_filename = "case2.c"6 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"7 target triple = "x86_64-unknown-linux-gnu"8 9 @q1 = dso_local local_unnamed_addr global i32 1, align 4, !dbg !010 @q2 = dso_local local_unnamed_addr global i32 4, align 4, !dbg !511 @q3 = dso_local local_unnamed_addr global i32 2, align 4, !dbg !812 @g1 = dso_local local_unnamed_addr global i32 0, align 4, !dbg !1013 @g2 = dso_local local_unnamed_addr global i32 0, align 4, !dbg !1214 @g3 = dso_local local_unnamed_addr global i32 0, align 4, !dbg !1415 16 ; Function Attrs: nounwind uwtable17 define dso_local i32 @multiple_inl_multiple_loc() local_unnamed_addr #0 !dbg !23 {18 entry:19 %0 = load i32, ptr @q1, align 4, !dbg !27, !tbaa !2820 call void @llvm.dbg.value(metadata i32 %0, metadata !32, metadata !DIExpression()), !dbg !3821 call void @llvm.dbg.value(metadata i32 100, metadata !37, metadata !DIExpression()), !dbg !3822 %cmp.i = icmp sgt i32 %0, 3, !dbg !4023 br i1 %cmp.i, label %if.then.i, label %if.end.i, !dbg !4224 25 if.then.i: ; preds = %entry26 tail call void @abort() #3, !dbg !4327 unreachable, !dbg !4328 29 if.end.i: ; preds = %entry30 %cmp1.i = icmp slt i32 %0, 1, !dbg !4431 br i1 %cmp1.i, label %if.then2.i, label %inl2.exit, !dbg !4632 33 if.then2.i: ; preds = %if.end.i34 tail call void @abort() #3, !dbg !4735 unreachable, !dbg !4736 37 inl2.exit: ; preds = %if.end.i38 %mul.i = mul nuw nsw i32 %0, 152, !dbg !4839 %add.i = add nuw nsw i32 %mul.i, 100, !dbg !4940 store i32 %add.i, ptr @g1, align 4, !dbg !50, !tbaa !2841 %1 = load i32, ptr @q2, align 4, !dbg !51, !tbaa !2842 call void @llvm.dbg.value(metadata i32 %1, metadata !32, metadata !DIExpression()), !dbg !5243 call void @llvm.dbg.value(metadata i32 200, metadata !37, metadata !DIExpression()), !dbg !5244 %cmp.i3 = icmp sgt i32 %1, 3, !dbg !5445 br i1 %cmp.i3, label %if.then.i4, label %if.end.i6, !dbg !5546 47 if.then.i4: ; preds = %inl2.exit48 tail call void @abort() #3, !dbg !5649 unreachable, !dbg !5650 51 if.end.i6: ; preds = %inl2.exit52 %cmp1.i5 = icmp slt i32 %1, 1, !dbg !5753 br i1 %cmp1.i5, label %if.then2.i7, label %inl2.exit10, !dbg !5854 55 if.then2.i7: ; preds = %if.end.i656 tail call void @abort() #3, !dbg !5957 unreachable, !dbg !5958 59 inl2.exit10: ; preds = %if.end.i660 %mul.i8 = mul nuw nsw i32 %1, 152, !dbg !6061 %add.i9 = add nuw nsw i32 %mul.i8, 200, !dbg !6162 store i32 %add.i9, ptr @g2, align 4, !dbg !62, !tbaa !2863 %2 = load i32, ptr @q3, align 4, !dbg !63, !tbaa !2864 call void @llvm.dbg.value(metadata i32 %2, metadata !32, metadata !DIExpression()), !dbg !6465 call void @llvm.dbg.value(metadata i32 300, metadata !37, metadata !DIExpression()), !dbg !6466 %cmp.i11 = icmp sgt i32 %2, 3, !dbg !6667 br i1 %cmp.i11, label %if.then.i12, label %if.end.i14, !dbg !6768 69 if.then.i12: ; preds = %inl2.exit1070 tail call void @abort() #3, !dbg !6871 unreachable, !dbg !6872 73 if.end.i14: ; preds = %inl2.exit1074 %cmp1.i13 = icmp slt i32 %2, 1, !dbg !6975 br i1 %cmp1.i13, label %if.then2.i15, label %inl2.exit18, !dbg !7076 77 if.then2.i15: ; preds = %if.end.i1478 tail call void @abort() #3, !dbg !7179 unreachable, !dbg !7180 81 inl2.exit18: ; preds = %if.end.i1482 %mul.i16 = mul nuw nsw i32 %2, 152, !dbg !7283 %add.i17 = add nuw nsw i32 %mul.i16, 300, !dbg !7384 store i32 %add.i17, ptr @q3, align 4, !dbg !74, !tbaa !2885 ret i32 0, !dbg !7586 }87 88 ; Function Attrs: noreturn nounwind89 declare !dbg !76 void @abort() local_unnamed_addr #190 91 ; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)92 declare void @llvm.dbg.value(metadata, metadata, metadata) #293 94 attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }95 attributes #1 = { noreturn nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }96 attributes #2 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }97 attributes #3 = { noreturn nounwind }98 99 !llvm.dbg.cu = !{!2}100 !llvm.module.flags = !{!16, !17, !18, !19, !20, !21}101 !llvm.ident = !{!22}102 103 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())104 !1 = distinct !DIGlobalVariable(name: "q1", scope: !2, file: !3, line: 12, type: !7, isLocal: false, isDefinition: true)105 !2 = distinct !DICompileUnit(language: DW_LANG_C11, file: !3, producer: "clang version 16.0.0.prerel", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)106 !3 = !DIFile(filename: "case2.c", directory: "/", checksumkind: CSK_MD5, checksum: "5093c50294e57eaa7f9ed00bfd62075c")107 !4 = !{!0, !5, !8, !10, !12, !14}108 !5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())109 !6 = distinct !DIGlobalVariable(name: "q2", scope: !2, file: !3, line: 12, type: !7, isLocal: false, isDefinition: true)110 !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)111 !8 = !DIGlobalVariableExpression(var: !9, expr: !DIExpression())112 !9 = distinct !DIGlobalVariable(name: "q3", scope: !2, file: !3, line: 12, type: !7, isLocal: false, isDefinition: true)113 !10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression())114 !11 = distinct !DIGlobalVariable(name: "g1", scope: !2, file: !3, line: 13, type: !7, isLocal: false, isDefinition: true)115 !12 = !DIGlobalVariableExpression(var: !13, expr: !DIExpression())116 !13 = distinct !DIGlobalVariable(name: "g2", scope: !2, file: !3, line: 13, type: !7, isLocal: false, isDefinition: true)117 !14 = !DIGlobalVariableExpression(var: !15, expr: !DIExpression())118 !15 = distinct !DIGlobalVariable(name: "g3", scope: !2, file: !3, line: 13, type: !7, isLocal: false, isDefinition: true)119 !16 = !{i32 7, !"Dwarf Version", i32 5}120 !17 = !{i32 2, !"Debug Info Version", i32 3}121 !18 = !{i32 1, !"wchar_size", i32 4}122 !19 = !{i32 8, !"PIC Level", i32 2}123 !20 = !{i32 7, !"PIE Level", i32 2}124 !21 = !{i32 7, !"uwtable", i32 2}125 !22 = !{!"clang version 16.0.0.prerel"}126 !23 = distinct !DISubprogram(name: "multiple_inl_multiple_loc", scope: !3, file: !3, line: 15, type: !24, scopeLine: 16, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !26)127 !24 = !DISubroutineType(types: !25)128 !25 = !{!7}129 !26 = !{}130 !27 = !DILocation(line: 17, column: 13, scope: !23)131 !28 = !{!29, !29, i64 0}132 !29 = !{!"int", !30, i64 0}133 !30 = !{!"omnipotent char", !31, i64 0}134 !31 = !{!"Simple C/C++ TBAA"}135 !32 = !DILocalVariable(name: "q", arg: 1, scope: !33, file: !3, line: 3, type: !7)136 !33 = distinct !DISubprogram(name: "inl2", scope: !3, file: !3, line: 3, type: !34, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !36)137 !34 = !DISubroutineType(types: !35)138 !35 = !{!7, !7, !7}139 !36 = !{!32, !37}140 !37 = !DILocalVariable(name: "n", arg: 2, scope: !33, file: !3, line: 3, type: !7)141 !38 = !DILocation(line: 0, scope: !33, inlinedAt: !39)142 !39 = distinct !DILocation(line: 17, column: 8, scope: !23)143 !40 = !DILocation(line: 5, column: 9, scope: !41, inlinedAt: !39)144 !41 = distinct !DILexicalBlock(scope: !33, file: !3, line: 5, column: 7)145 !42 = !DILocation(line: 5, column: 7, scope: !33, inlinedAt: !39)146 !43 = !DILocation(line: 6, column: 5, scope: !41, inlinedAt: !39)147 !44 = !DILocation(line: 7, column: 9, scope: !45, inlinedAt: !39)148 !45 = distinct !DILexicalBlock(scope: !33, file: !3, line: 7, column: 7)149 !46 = !DILocation(line: 7, column: 7, scope: !33, inlinedAt: !39)150 !47 = !DILocation(line: 8, column: 5, scope: !45, inlinedAt: !39)151 !48 = !DILocation(line: 9, column: 12, scope: !33, inlinedAt: !39)152 !49 = !DILocation(line: 9, column: 18, scope: !33, inlinedAt: !39)153 !50 = !DILocation(line: 17, column: 6, scope: !23)154 !51 = !DILocation(line: 18, column: 13, scope: !23)155 !52 = !DILocation(line: 0, scope: !33, inlinedAt: !53)156 !53 = distinct !DILocation(line: 18, column: 8, scope: !23)157 !54 = !DILocation(line: 5, column: 9, scope: !41, inlinedAt: !53)158 !55 = !DILocation(line: 5, column: 7, scope: !33, inlinedAt: !53)159 !56 = !DILocation(line: 6, column: 5, scope: !41, inlinedAt: !53)160 !57 = !DILocation(line: 7, column: 9, scope: !45, inlinedAt: !53)161 !58 = !DILocation(line: 7, column: 7, scope: !33, inlinedAt: !53)162 !59 = !DILocation(line: 8, column: 5, scope: !45, inlinedAt: !53)163 !60 = !DILocation(line: 9, column: 12, scope: !33, inlinedAt: !53)164 !61 = !DILocation(line: 9, column: 18, scope: !33, inlinedAt: !53)165 !62 = !DILocation(line: 18, column: 6, scope: !23)166 !63 = !DILocation(line: 19, column: 13, scope: !23)167 !64 = !DILocation(line: 0, scope: !33, inlinedAt: !65)168 !65 = distinct !DILocation(line: 19, column: 8, scope: !23)169 !66 = !DILocation(line: 5, column: 9, scope: !41, inlinedAt: !65)170 !67 = !DILocation(line: 5, column: 7, scope: !33, inlinedAt: !65)171 !68 = !DILocation(line: 6, column: 5, scope: !41, inlinedAt: !65)172 !69 = !DILocation(line: 7, column: 9, scope: !45, inlinedAt: !65)173 !70 = !DILocation(line: 7, column: 7, scope: !33, inlinedAt: !65)174 !71 = !DILocation(line: 8, column: 5, scope: !45, inlinedAt: !65)175 !72 = !DILocation(line: 9, column: 12, scope: !33, inlinedAt: !65)176 !73 = !DILocation(line: 9, column: 18, scope: !33, inlinedAt: !65)177 !74 = !DILocation(line: 19, column: 6, scope: !23)178 !75 = !DILocation(line: 20, column: 3, scope: !23)179 !76 = !DISubprogram(name: "abort", scope: !77, file: !77, line: 514, type: !78, flags: DIFlagPrototyped | DIFlagNoReturn, spFlags: DISPFlagOptimized, retainedNodes: !26)180 !77 = !DIFile(filename: "/usr/include/stdlib.h", directory: "", checksumkind: CSK_MD5, checksum: "f7a1412d75d9e3df251dfc21b02d59ef")181 !78 = !DISubroutineType(types: !79)182 !79 = !{null}183 184...185---186name: multiple_inl_multiple_loc187alignment: 16188tracksRegLiveness: true189tracksDebugUserValues: true190frameInfo:191 stackSize: 8192 offsetAdjustment: -8193 maxAlignment: 1194 adjustsStack: true195 hasCalls: true196 maxCallFrameSize: 0197machineFunctionInfo: {}198body: |199 bb.0.entry:200 successors: %bb.1(0x00000800), %bb.2(0x7ffff800)201 202 frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp203 frame-setup CFI_INSTRUCTION def_cfa_offset 16204 renamable $eax = MOV32rm $rip, 1, $noreg, @q1, $noreg, debug-instr-number 1, debug-location !27 :: (dereferenceable load (s32) from @q1, !tbaa !28)205 DBG_INSTR_REF !32, !DIExpression(DW_OP_LLVM_arg, 0), dbg-instr-ref(1, 0), debug-location !38206 DBG_VALUE 100, $noreg, !37, !DIExpression(), debug-location !38207 CMP32ri8 renamable $eax, 4, implicit-def $eflags, debug-location !40208 JCC_1 %bb.2, 12, implicit killed $eflags, debug-location !42209 JMP_1 %bb.1, debug-location !42210 211 bb.1.if.then.i:212 successors:213 214 CALL64pcrel32 target-flags(x86-plt) @abort, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, debug-location !43215 216 bb.2.if.end.i:217 successors: %bb.3(0x00000800), %bb.4(0x7ffff800)218 liveins: $eax219 220 TEST32rr renamable $eax, renamable $eax, implicit-def $eflags, debug-location !44221 JCC_1 %bb.4, 15, implicit killed $eflags, debug-location !46222 JMP_1 %bb.3, debug-location !46223 224 bb.3.if.then2.i:225 successors:226 227 CALL64pcrel32 target-flags(x86-plt) @abort, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, debug-location !47228 229 bb.4.inl2.exit:230 successors: %bb.5(0x00000800), %bb.6(0x7ffff800)231 liveins: $eax232 233 renamable $eax = nuw nsw IMUL32rri killed renamable $eax, 152, implicit-def dead $eflags, debug-location !48234 renamable $eax = nuw nsw ADD32ri8 killed renamable $eax, 100, implicit-def dead $eflags, debug-location !49235 MOV32mr $rip, 1, $noreg, @g1, $noreg, killed renamable $eax, debug-location !50 :: (store (s32) into @g1, !tbaa !28)236 renamable $eax = MOV32rm $rip, 1, $noreg, @q2, $noreg, debug-instr-number 2, debug-location !51 :: (dereferenceable load (s32) from @q2, !tbaa !28)237 DBG_INSTR_REF !32, !DIExpression(DW_OP_LLVM_arg, 0), dbg-instr-ref(2, 0), debug-location !52238 DBG_VALUE 200, $noreg, !37, !DIExpression(), debug-location !52239 CMP32ri8 renamable $eax, 4, implicit-def $eflags, debug-location !54240 JCC_1 %bb.6, 12, implicit killed $eflags, debug-location !55241 JMP_1 %bb.5, debug-location !55242 243 bb.5.if.then.i4:244 successors:245 246 CALL64pcrel32 target-flags(x86-plt) @abort, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, debug-location !56247 248 bb.6.if.end.i6:249 successors: %bb.7(0x00000800), %bb.8(0x7ffff800)250 liveins: $eax251 252 TEST32rr renamable $eax, renamable $eax, implicit-def $eflags, debug-location !57253 JCC_1 %bb.8, 15, implicit killed $eflags, debug-location !58254 JMP_1 %bb.7, debug-location !58255 256 bb.7.if.then2.i7:257 successors:258 259 CALL64pcrel32 target-flags(x86-plt) @abort, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, debug-location !59260 261 bb.8.inl2.exit10:262 successors: %bb.9(0x00000800), %bb.10(0x7ffff800)263 liveins: $eax264 265 renamable $eax = nuw nsw IMUL32rri killed renamable $eax, 152, implicit-def dead $eflags, debug-location !60266 renamable $eax = nuw nsw ADD32ri killed renamable $eax, 200, implicit-def dead $eflags, debug-location !61267 MOV32mr $rip, 1, $noreg, @g2, $noreg, killed renamable $eax, debug-location !62 :: (store (s32) into @g2, !tbaa !28)268 renamable $eax = MOV32rm $rip, 1, $noreg, @q3, $noreg, debug-instr-number 3, debug-location !63 :: (dereferenceable load (s32) from @q3, !tbaa !28)269 DBG_INSTR_REF !32, !DIExpression(DW_OP_LLVM_arg, 0), dbg-instr-ref(3, 0), debug-location !64270 DBG_VALUE 300, $noreg, !37, !DIExpression(), debug-location !64271 CMP32ri8 renamable $eax, 4, implicit-def $eflags, debug-location !66272 JCC_1 %bb.10, 12, implicit killed $eflags, debug-location !67273 JMP_1 %bb.9, debug-location !67274 275 bb.9.if.then.i12:276 successors:277 278 CALL64pcrel32 target-flags(x86-plt) @abort, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, debug-location !68279 280 bb.10.if.end.i14:281 successors: %bb.11(0x00000800), %bb.12(0x7ffff800)282 liveins: $eax283 284 TEST32rr renamable $eax, renamable $eax, implicit-def $eflags, debug-location !69285 JCC_1 %bb.12, 15, implicit killed $eflags, debug-location !70286 JMP_1 %bb.11, debug-location !70287 288 bb.11.if.then2.i15:289 successors:290 291 CALL64pcrel32 target-flags(x86-plt) @abort, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, debug-location !71292 293 bb.12.inl2.exit18:294 liveins: $eax295 296 renamable $eax = nuw nsw IMUL32rri killed renamable $eax, 152, implicit-def dead $eflags, debug-location !72297 renamable $eax = nuw nsw ADD32ri killed renamable $eax, 300, implicit-def dead $eflags, debug-location !73298 MOV32mr $rip, 1, $noreg, @q3, $noreg, killed renamable $eax, debug-location !74 :: (store (s32) into @q3, !tbaa !28)299 $eax = MOV32r0 implicit-def dead $eflags, debug-location !75300 $rcx = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !75301 frame-destroy CFI_INSTRUCTION def_cfa_offset 8, debug-location !75302 RET 0, $eax, debug-location !75303 304...305 306# In this case we have a abort call block folded from two locations in307# three inlined instances of inl1():308#309# 1 | #include <stdlib.h>310# 2 |311# 3 | static inline int inl2(int q, int n)312# 4 | {313# 5 | if (q > 3)314# 6 | abort();315# 7 | if (q < 1)316# 8 | abort();317# 9 | return q * 152 + n;318# 10 | }319# 11 |320# 12 | int q1 = 1, q2 = 4, q3 = 2;321# 13 | int g1, g2, g3;322# 14 |323# 15 | int multiple_inl_multiple_loc()324# 16 | {325# 17 | g1 = inl2(q1, 100);326# 18 | g2 = inl2(q2, 200);327# 19 | q3 = inl2(q3, 300);328# 20 | return 0;329# 21 | }330#331# We should produce a merged location describing that the abort call is located332# at line 0 in inl2() inlined at line 0 in multiple_inl_multiple_loc().333 334# CHECK-DAG: [[INLINER:![0-9]+]] = distinct !DISubprogram(name: "multiple_inl_multiple_loc"335# CHECK-DAG: [[INLINEE:![0-9]+]] = distinct !DISubprogram(name: "inl2"336 337# CHECK-NOT: CALL64pcrel32338# CHECK: CALL64pcrel32 target-flags(x86-plt) @abort, {{.*}} debug-location !DILocation(line: 0, scope: [[INLINEE]], inlinedAt: !DILocation(line: 0, scope: [[INLINER]]))339# CHECK-NOT: CALL64pcrel32340