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1# RUN: llc -emit-call-site-info -mtriple=arm-linux-gnu -debug-entry-values -run-pass if-converter %s -o -| FileCheck %s2 3# Vefify that the call site info will be updated after the optimization.4# This test case would previously trigger an assertion when5# deleting the call instruction.6 7# Test case is generated from:8# extern void9# foo (int* seg, int subseg);10# extern int* mri_common_symbol;11#12# void13# baa (int* secptr, int subseg)14# {15# if (! (secptr == 0 && subseg == 0))16# foo (secptr, subseg);17# mri_common_symbol = 0;18# }19#20# With slight change of MIR - substitution of BL instruction with BL_pred 21# in order to trigger optimization.22# clang -target arm-linux-gnu -g -O2 -Xclang -femit-debug-entry-values 23# %s -stop-before=if-convert24#25# CHECK: callSites:26# CHECK-NEXT: - { bb: {{.*}}, offset: {{.*}}, fwdArgRegs:27# CHECK-NEXT: - { arg: 0, reg: '$r0' }28# CHECK-NEXT: - { arg: 1, reg: '$r1' } }29 30--- |31 ; ModuleID = 'if-convert-call-site-info.c'32 source_filename = "if-convert-call-site-info.c"33 target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"34 target triple = "armv6kz-unknown-linux-gnueabihf"35 36 @mri_common_symbol = external dso_local local_unnamed_addr global ptr, align 437 38 ; Function Attrs: nounwind39 define dso_local void @baa(ptr %secptr, i32 %subseg) local_unnamed_addr #0 !dbg !14 {40 entry:41 call void @llvm.dbg.value(metadata ptr %secptr, metadata !16, metadata !DIExpression()), !dbg !1842 call void @llvm.dbg.value(metadata i32 %subseg, metadata !17, metadata !DIExpression()), !dbg !1843 %cmp = icmp eq ptr %secptr, null, !dbg !1944 %cmp1 = icmp eq i32 %subseg, 0, !dbg !2145 %or.cond = and i1 %cmp, %cmp1, !dbg !2246 br i1 %or.cond, label %if.end, label %if.then, !dbg !2247 48 if.then: ; preds = %entry49 tail call void @foo(ptr %secptr, i32 %subseg), !dbg !2350 br label %if.end, !dbg !2351 52 if.end: ; preds = %entry, %if.then53 store ptr null, ptr @mri_common_symbol, align 4, !dbg !24, !tbaa !2554 ret void, !dbg !2955 }56 57 declare !dbg !4 dso_local void @foo(ptr, i32) local_unnamed_addr58 59 ; Function Attrs: nounwind readnone speculatable willreturn60 declare void @llvm.dbg.value(metadata, metadata, metadata)61 62 ; Function Attrs: nounwind63 declare void @llvm.stackprotector(ptr, ptr)64 65 attributes #0 = { "frame-pointer"="all" }66 67 !llvm.dbg.cu = !{!0}68 !llvm.module.flags = !{!9, !10, !11, !12}69 !llvm.ident = !{!13}70 71 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)72 !1 = !DIFile(filename: "if-convert-call-site-info.c", directory: "/")73 !2 = !{}74 !3 = !{!4}75 !4 = !DISubprogram(name: "foo", scope: !1, file: !1, line: 10, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)76 !5 = !DISubroutineType(types: !6)77 !6 = !{null, !7, !8}78 !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 32)79 !8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)80 !9 = !{i32 2, !"Dwarf Version", i32 4}81 !10 = !{i32 2, !"Debug Info Version", i32 3}82 !11 = !{i32 1, !"wchar_size", i32 4}83 !12 = !{i32 1, !"min_enum_size", i32 4}84 !13 = !{!"clang version 10.0.0 "}85 !14 = distinct !DISubprogram(name: "baa", scope: !1, file: !1, line: 14, type: !5, scopeLine: 15, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !15)86 !15 = !{!16, !17}87 !16 = !DILocalVariable(name: "secptr", arg: 1, scope: !14, file: !1, line: 14, type: !7)88 !17 = !DILocalVariable(name: "subseg", arg: 2, scope: !14, file: !1, line: 14, type: !8)89 !18 = !DILocation(line: 0, scope: !14)90 !19 = !DILocation(line: 16, column: 17, scope: !20)91 !20 = distinct !DILexicalBlock(scope: !14, file: !1, line: 16, column: 7)92 !21 = !DILocation(line: 16, column: 32, scope: !20)93 !22 = !DILocation(line: 16, column: 22, scope: !20)94 !23 = !DILocation(line: 17, column: 5, scope: !20)95 !24 = !DILocation(line: 18, column: 21, scope: !14)96 !25 = !{!26, !26, i64 0}97 !26 = !{!"any pointer", !27, i64 0}98 !27 = !{!"omnipotent char", !28, i64 0}99 !28 = !{!"Simple C/C++ TBAA"}100 !29 = !DILocation(line: 19, column: 1, scope: !14)101 102...103---104name: baa105alignment: 2106tracksRegLiveness: true107liveins:108 - { reg: '$r0' }109 - { reg: '$r1' }110frameInfo:111 stackSize: 8112 maxAlignment: 4113 adjustsStack: true114 hasCalls: true115 maxCallFrameSize: 0116stack:117 - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, callee-saved-register: '$lr', 118 callee-saved-restored: false }119 - { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4, callee-saved-register: '$r11' }120callSites:121 - { bb: 2, offset: 0, fwdArgRegs: 122 - { arg: 0, reg: '$r0' }123 - { arg: 1, reg: '$r1' } }124constants:125 - id: 0126 value: 'ptr null'127 alignment: 4128machineFunctionInfo: {}129body: |130 bb.0.entry:131 successors: %bb.1(0x60000000), %bb.2(0x20000000)132 liveins: $r0, $r1, $lr133 134 DBG_VALUE $r0, $noreg, !16, !DIExpression(), debug-location !18135 DBG_VALUE $r0, $noreg, !16, !DIExpression(), debug-location !18136 DBG_VALUE $r1, $noreg, !17, !DIExpression(), debug-location !18137 DBG_VALUE $r1, $noreg, !17, !DIExpression(), debug-location !18138 $sp = frame-setup STMDB_UPD $sp, 14, $noreg, killed $r11, killed $lr139 frame-setup CFI_INSTRUCTION def_cfa_offset 8140 frame-setup CFI_INSTRUCTION offset $lr, -4141 frame-setup CFI_INSTRUCTION offset $r11, -8142 $r11 = frame-setup MOVr killed $sp, 14, $noreg, $noreg143 frame-setup CFI_INSTRUCTION def_cfa_register $r11144 CMPri renamable $r0, 0, 14, $noreg, implicit-def $cpsr, debug-location !22145 Bcc %bb.2, 1, killed $cpsr, debug-location !22146 147 bb.1.entry:148 successors: %bb.3(0x55555555), %bb.2(0x2aaaaaab)149 liveins: $r0, $r1150 151 CMPri renamable $r1, 0, 14, $noreg, implicit-def $cpsr, debug-location !22152 Bcc %bb.3, 0, killed $cpsr, debug-location !22153 154 bb.2.if.then:155 liveins: $r0, $r1156 157 BL_pred @foo, 14, $noreg, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit $r1, implicit-def $sp, debug-location !23158 159 bb.3.if.end:160 renamable $r0 = LDRi12 %const.0, 0, 14, $noreg, debug-location !24 :: (load (s32) from constant-pool)161 renamable $r1 = MOVi 0, 14, $noreg, $noreg162 STRi12 killed renamable $r1, killed renamable $r0, 0, 14, $noreg, debug-location !24 :: (store (s32) into @mri_common_symbol, !tbaa !25)163 $sp = LDMIA_RET $sp, 14, $noreg, def $r11, def $pc, debug-location !29164 165...166