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1## Test mips32:2# RUN: llc -mtriple mips-linux-gnu -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s3## Test mipsel:4# RUN: llc -mtriple mipsel-linux-gnu -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s5 6## Following code is used for producing this test case.7##8## extern int fn1(int,int,int);9## extern void clobber();10## int fn2(int a) {11## clobber();12## int local = fn1(44, a, a+10);13## if (local > 10)14## return local + 10;15## return local;16## }17## Check that parameters value loaded by instruction ADDiu/DADDiu is18## interpreted correctly.19 20## Test mips32:21# CHECK: DW_TAG_GNU_call_site22# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "fn1"23# CHECK: DW_TAG_GNU_call_site_parameter24# CHECK-NEXT: DW_AT_location (DW_OP_reg5 A1_64)25# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg16 S0_64+0)26# CHECK-EMPTY: 27# CHECK-NEXT: DW_TAG_GNU_call_site_parameter28# CHECK-NEXT: DW_AT_location (DW_OP_reg4 A0_64)29# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_constu 0x2c)30# CHECK-EMPTY: 31# CHECK-NEXT: DW_TAG_GNU_call_site_parameter32# CHECK-NEXT: DW_AT_location (DW_OP_reg6 A2_64)33# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg16 S0_64+10)34--- |35 ; ModuleID = 'm.ll'36 source_filename = "m.c"37 target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"38 target triple = "mips-unknown-linux-gnu"39 40 ; Function Attrs: nounwind41 define dso_local i32 @fn2(i32 signext %a) local_unnamed_addr !dbg !12 {42 entry:43 call void @llvm.dbg.value(metadata i32 %a, metadata !16, metadata !DIExpression()), !dbg !1844 tail call void @clobber(), !dbg !1845 %add = add nsw i32 %a, 10, !dbg !1846 %call = tail call i32 @fn1(i32 signext 44, i32 signext %a, i32 signext %add), !dbg !1847 call void @llvm.dbg.value(metadata i32 %call, metadata !17, metadata !DIExpression()), !dbg !1848 %cmp = icmp sgt i32 %call, 10, !dbg !2249 %add1 = add nsw i32 %call, 10, !dbg !1850 %retval.0 = select i1 %cmp, i32 %add1, i32 %call, !dbg !1851 ret i32 %retval.0, !dbg !1852 }53 54 declare dso_local void @clobber(...) local_unnamed_addr55 56 declare !dbg !4 dso_local i32 @fn1(i32 signext, i32 signext, i32 signext) local_unnamed_addr57 58 ; Function Attrs: nounwind readnone speculatable willreturn59 declare void @llvm.dbg.value(metadata, metadata, metadata)60 61 !llvm.dbg.cu = !{!0}62 !llvm.module.flags = !{!8, !9, !10}63 !llvm.ident = !{!11}64 65 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, splitDebugInlining: false, nameTableKind: None)66 !1 = !DIFile(filename: "m.c", directory: "/dir")67 !2 = !{}68 !3 = !{!4}69 !4 = !DISubprogram(name: "fn1", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)70 !5 = !DISubroutineType(types: !6)71 !6 = !{!7, !7, !7, !7}72 !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)73 !8 = !{i32 7, !"Dwarf Version", i32 4}74 !9 = !{i32 2, !"Debug Info Version", i32 3}75 !10 = !{i32 1, !"wchar_size", i32 4}76 !11 = !{!"clang version 11.0.0"}77 !12 = distinct !DISubprogram(name: "fn2", scope: !1, file: !1, line: 3, type: !13, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !15)78 !13 = !DISubroutineType(types: !14)79 !14 = !{!7, !7}80 !15 = !{!16, !17}81 !16 = !DILocalVariable(name: "a", arg: 1, scope: !12, file: !1, line: 3, type: !7)82 !17 = !DILocalVariable(name: "local", scope: !12, file: !1, line: 5, type: !7)83 !18 = !DILocation(line: 0, scope: !12)84 !22 = !DILocation(line: 6, column: 14, scope: !23)85 !23 = distinct !DILexicalBlock(scope: !12, file: !1, line: 6, column: 8)86 87...88---89name: fn290alignment: 491liveins:92 - { reg: '$a0', virtual-reg: '' }93stack:94 - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4, 95 stack-id: default, callee-saved-register: '$ra', callee-saved-restored: true, 96 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }97 - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4, 98 stack-id: default, callee-saved-register: '$s0', callee-saved-restored: true, 99 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }100callSites:101 - { bb: 0, offset: 8, fwdArgRegs: [] }102 - { bb: 0, offset: 12, fwdArgRegs: 103 - { arg: 0, reg: '$a0' }104 - { arg: 1, reg: '$a1' }105 - { arg: 2, reg: '$a2' } }106body: |107 bb.0.entry:108 DBG_VALUE $a0, $noreg, !16, !DIExpression(), debug-location !18109 $sp = ADDiu $sp, -24110 CFI_INSTRUCTION def_cfa_offset 24111 SW killed $ra, $sp, 20 :: (store (s32) into %stack.0)112 SW killed $s0, $sp, 16 :: (store (s32) into %stack.1)113 CFI_INSTRUCTION offset $ra_64, -4114 CFI_INSTRUCTION offset $s0_64, -8115 DBG_VALUE $s0, $noreg, !16, !DIExpression(), debug-location !18116 JAL @clobber, csr_o32, implicit-def dead $ra, implicit-def $sp, debug-location !18 {117 $s0 = OR $a0, $zero118 }119 renamable $a2 = nsw ADDiu renamable $s0, 10, debug-location !18120 $a0 = ADDiu $zero, 44, debug-location !18121 JAL @fn1, csr_o32, implicit-def dead $ra, implicit $a0, implicit killed $a1, implicit $a2, implicit-def $sp, implicit-def $v0, debug-location !18 {122 $a1 = OR killed $s0, $zero, debug-location !18123 }124 DBG_VALUE $v0, $noreg, !17, !DIExpression(), debug-location !18125 renamable $at = SLTi renamable $v0, 11, debug-location !18126 renamable $v1 = nsw ADDiu renamable $v0, 10, debug-location !18127 renamable $v0 = MOVZ_I_I killed renamable $v1, killed renamable $at, killed renamable $v0, debug-location !18128 $s0 = LW $sp, 16, debug-location !18 :: (load (s32) from %stack.1)129 $ra = LW $sp, 20, debug-location !18 :: (load (s32) from %stack.0)130 PseudoReturn undef $ra, implicit $v0, debug-location !18 {131 $sp = ADDiu $sp, 24132 }133