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1## Test mips64:2# RUN: llc -mtriple mips64-linux-gnu -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s3## Test mips64el:4# RUN: llc -mtriple mips64el-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(long,long,long);9## extern void clobber();10## int fn2(long 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 mips64:21# 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 = 'mips64.ll'36 source_filename = "m64.c"37 target datalayout = "E-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128"38 target triple = "mips64-unknown-linux-gnu"39 40 ; Function Attrs: nounwind41 define signext i32 @fn2(i64 signext %a) local_unnamed_addr !dbg !14 {42 entry:43 call void @llvm.dbg.value(metadata i64 %a, metadata !18, metadata !DIExpression()), !dbg !2044 tail call void @clobber(), !dbg !2045 %add = add nsw i64 %a, 10, !dbg !2046 %call = tail call signext i32 @fn1(i64 signext 44, i64 signext %a, i64 signext %add), !dbg !2047 call void @llvm.dbg.value(metadata i32 %call, metadata !19, metadata !DIExpression()), !dbg !2048 %cmp = icmp sgt i32 %call, 10, !dbg !2449 %add1 = add nsw i32 %call, 10, !dbg !2050 %retval.0 = select i1 %cmp, i32 %add1, i32 %call, !dbg !2051 ret i32 %retval.0, !dbg !2052 }53 54 declare void @clobber(...) local_unnamed_addr55 56 declare !dbg !4 signext i32 @fn1(i64 signext, i64 signext, i64 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 = !{!9, !10, !11, !12}63 !llvm.ident = !{!13}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, !8, !8, !8}72 !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)73 !8 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed)74 !9 = !{i32 7, !"Dwarf Version", i32 4}75 !10 = !{i32 2, !"Debug Info Version", i32 3}76 !11 = !{i32 1, !"wchar_size", i32 4}77 !12 = !{i32 7, !"PIC Level", i32 1}78 !13 = !{!"clang version 11.0.0"}79 !14 = distinct !DISubprogram(name: "fn2", scope: !1, file: !1, line: 3, type: !15, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17)80 !15 = !DISubroutineType(types: !16)81 !16 = !{!7, !8}82 !17 = !{!18, !19}83 !18 = !DILocalVariable(name: "a", arg: 1, scope: !14, file: !1, line: 3, type: !8)84 !19 = !DILocalVariable(name: "local", scope: !14, file: !1, line: 5, type: !7)85 !20 = !DILocation(line: 0, scope: !14)86 !24 = !DILocation(line: 6, column: 14, scope: !25)87 !25 = distinct !DILexicalBlock(scope: !14, file: !1, line: 6, column: 8)88 89...90---91name: fn292alignment: 893liveins:94 - { reg: '$a0_64', virtual-reg: '' }95stack:96 - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8, 97 stack-id: default, callee-saved-register: '$ra_64', callee-saved-restored: true, 98 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }99 - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8, 100 stack-id: default, callee-saved-register: '$s0_64', callee-saved-restored: true, 101 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }102callSites:103 - { bb: 0, offset: 8, fwdArgRegs: [] }104 - { bb: 0, offset: 12, fwdArgRegs: 105 - { arg: 0, reg: '$a0_64' }106 - { arg: 1, reg: '$a1_64' }107 - { arg: 2, reg: '$a2_64' } }108body: |109 bb.0.entry:110 DBG_VALUE $a0_64, $noreg, !18, !DIExpression(), debug-location !20111 $sp_64 = DADDiu $sp_64, -16112 CFI_INSTRUCTION def_cfa_offset 16113 SD killed $ra_64, $sp_64, 8 :: (store (s64) into %stack.0)114 SD killed $s0_64, $sp_64, 0 :: (store (s64) into %stack.1)115 CFI_INSTRUCTION offset $ra_64, -8116 CFI_INSTRUCTION offset $s0_64, -16117 DBG_VALUE $s0_64, $noreg, !18, !DIExpression(), debug-location !20118 JAL @clobber, csr_n64, implicit-def dead $ra, implicit-def $sp, debug-location !20 {119 $s0_64 = OR64 $a0_64, $zero_64120 }121 renamable $a2_64 = nsw DADDiu renamable $s0_64, 10, debug-location !20122 $a0_64 = DADDiu $zero_64, 44, debug-location !20123 JAL @fn1, csr_n64, implicit-def dead $ra, implicit $a0_64, implicit killed $a1_64, implicit $a2_64, implicit-def $sp, implicit-def $v0, debug-location !20 {124 $a1_64 = OR64 killed $s0_64, $zero_64, debug-location !20125 }126 DBG_VALUE $v0, $noreg, !19, !DIExpression(), debug-location !20127 renamable $at = SLTi renamable $v0, 11, debug-location !20128 renamable $v1 = nsw ADDiu renamable $v0, 10, debug-location !20129 renamable $v0 = MOVZ_I_I killed renamable $v1, killed renamable $at, killed renamable $v0, debug-location !20130 renamable $v0_64 = SLL64_32 killed renamable $v0, debug-location !20131 $s0_64 = LD $sp_64, 0, debug-location !20 :: (load (s64) from %stack.1)132 $ra_64 = LD $sp_64, 8, debug-location !20 :: (load (s64) from %stack.0)133 PseudoReturn64 undef $ra_64, implicit $v0_64, debug-location !20 {134 $sp_64 = DADDiu $sp_64, 16135 }136