1## Test mips32: 2# RUN: llc -mtriple mips-linux-gnu -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s 3## Test mipsel: 4# RUN: llc -mtriple mipsel-linux-gnu -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s 5 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 is 18## interpreted correctly. 19 20## Test mips32: 21# CHECK: DW_TAG_GNU_call_site 22# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "fn1" 23# CHECK: DW_TAG_GNU_call_site_parameter 24# 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_parameter 28# 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_parameter 32# 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: nounwind 41 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 !18 44 tail call void bitcast (void (...)* @clobber to void ()*)(), !dbg !18 45 %add = add nsw i32 %a, 10, !dbg !18 46 %call = tail call i32 @fn1(i32 signext 44, i32 signext %a, i32 signext %add), !dbg !18 47 call void @llvm.dbg.value(metadata i32 %call, metadata !17, metadata !DIExpression()), !dbg !18 48 %cmp = icmp sgt i32 %call, 10, !dbg !22 49 %add1 = add nsw i32 %call, 10, !dbg !18 50 %retval.0 = select i1 %cmp, i32 %add1, i32 %call, !dbg !18 51 ret i32 %retval.0, !dbg !18 52 } 53 54 declare dso_local void @clobber(...) local_unnamed_addr 55 56 declare !dbg !4 dso_local i32 @fn1(i32 signext, i32 signext, i32 signext) local_unnamed_addr 57 58 ; Function Attrs: nounwind readnone speculatable willreturn 59 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: fn2 90alignment: 4 91liveins: 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 !18 109 $sp = ADDiu $sp, -24 110 CFI_INSTRUCTION def_cfa_offset 24 111 SW killed $ra, $sp, 20 :: (store 4 into %stack.0) 112 SW killed $s0, $sp, 16 :: (store 4 into %stack.1) 113 CFI_INSTRUCTION offset $ra_64, -4 114 CFI_INSTRUCTION offset $s0_64, -8 115 DBG_VALUE $s0, $noreg, !16, !DIExpression(), debug-location !18 116 JAL @clobber, csr_o32, implicit-def dead $ra, implicit-def $sp, debug-location !18 { 117 $s0 = OR $a0, $zero 118 } 119 renamable $a2 = nsw ADDiu renamable $s0, 10, debug-location !18 120 $a0 = ADDiu $zero, 44, debug-location !18 121 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 !18 123 } 124 DBG_VALUE $v0, $noreg, !17, !DIExpression(), debug-location !18 125 renamable $at = SLTi renamable $v0, 11, debug-location !18 126 renamable $v1 = nsw ADDiu renamable $v0, 10, debug-location !18 127 renamable $v0 = MOVZ_I_I killed renamable $v1, killed renamable $at, killed renamable $v0, debug-location !18 128 $s0 = LW $sp, 16, debug-location !18 :: (load 4 from %stack.1) 129 $ra = LW $sp, 20, debug-location !18 :: (load 4 from %stack.0) 130 PseudoReturn undef $ra, implicit $v0, debug-location !18 { 131 $sp = ADDiu $sp, 24 132 } 133