| ## Test mips32: |
| # RUN: llc -mtriple mips-linux-gnu -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s |
| ## Test mipsel: |
| # RUN: llc -mtriple mipsel-linux-gnu -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s |
| |
| ## Following code is used for producing this test case. |
| ## |
| ## extern int fn1(int,int,int); |
| ## extern void clobber(); |
| ## int fn2(int a) { |
| ## clobber(); |
| ## int local = fn1(44, a, a+10); |
| ## if (local > 10) |
| ## return local + 10; |
| ## return local; |
| ## } |
| ## Check that parameters value loaded by instruction ADDiu/DADDiu is |
| ## interpreted correctly. |
| |
| ## Test mips32: |
| # CHECK: DW_TAG_GNU_call_site |
| # CHECK-NEXT: DW_AT_abstract_origin {{.*}} "fn1" |
| # CHECK: DW_TAG_GNU_call_site_parameter |
| # CHECK-NEXT: DW_AT_location (DW_OP_reg5 A1_64) |
| # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg16 S0_64+0) |
| # CHECK-EMPTY: |
| # CHECK-NEXT: DW_TAG_GNU_call_site_parameter |
| # CHECK-NEXT: DW_AT_location (DW_OP_reg4 A0_64) |
| # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_constu 0x2c) |
| # CHECK-EMPTY: |
| # CHECK-NEXT: DW_TAG_GNU_call_site_parameter |
| # CHECK-NEXT: DW_AT_location (DW_OP_reg6 A2_64) |
| # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg16 S0_64+10) |
| --- | |
| ; ModuleID = 'm.ll' |
| source_filename = "m.c" |
| target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64" |
| target triple = "mips-unknown-linux-gnu" |
| |
| ; Function Attrs: nounwind |
| define dso_local i32 @fn2(i32 signext %a) local_unnamed_addr !dbg !12 { |
| entry: |
| call void @llvm.dbg.value(metadata i32 %a, metadata !16, metadata !DIExpression()), !dbg !18 |
| tail call void bitcast (void (...)* @clobber to void ()*)(), !dbg !18 |
| %add = add nsw i32 %a, 10, !dbg !18 |
| %call = tail call i32 @fn1(i32 signext 44, i32 signext %a, i32 signext %add), !dbg !18 |
| call void @llvm.dbg.value(metadata i32 %call, metadata !17, metadata !DIExpression()), !dbg !18 |
| %cmp = icmp sgt i32 %call, 10, !dbg !22 |
| %add1 = add nsw i32 %call, 10, !dbg !18 |
| %retval.0 = select i1 %cmp, i32 %add1, i32 %call, !dbg !18 |
| ret i32 %retval.0, !dbg !18 |
| } |
| |
| declare dso_local void @clobber(...) local_unnamed_addr |
| |
| declare !dbg !4 dso_local i32 @fn1(i32 signext, i32 signext, i32 signext) local_unnamed_addr |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!8, !9, !10} |
| !llvm.ident = !{!11} |
| |
| !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) |
| !1 = !DIFile(filename: "m.c", directory: "/dir") |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !DISubprogram(name: "fn1", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{!7, !7, !7, !7} |
| !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !8 = !{i32 7, !"Dwarf Version", i32 4} |
| !9 = !{i32 2, !"Debug Info Version", i32 3} |
| !10 = !{i32 1, !"wchar_size", i32 4} |
| !11 = !{!"clang version 11.0.0"} |
| !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) |
| !13 = !DISubroutineType(types: !14) |
| !14 = !{!7, !7} |
| !15 = !{!16, !17} |
| !16 = !DILocalVariable(name: "a", arg: 1, scope: !12, file: !1, line: 3, type: !7) |
| !17 = !DILocalVariable(name: "local", scope: !12, file: !1, line: 5, type: !7) |
| !18 = !DILocation(line: 0, scope: !12) |
| !22 = !DILocation(line: 6, column: 14, scope: !23) |
| !23 = distinct !DILexicalBlock(scope: !12, file: !1, line: 6, column: 8) |
| |
| ... |
| --- |
| name: fn2 |
| alignment: 4 |
| liveins: |
| - { reg: '$a0', virtual-reg: '' } |
| stack: |
| - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4, |
| stack-id: default, callee-saved-register: '$ra', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4, |
| stack-id: default, callee-saved-register: '$s0', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| callSites: |
| - { bb: 0, offset: 8, fwdArgRegs: [] } |
| - { bb: 0, offset: 12, fwdArgRegs: |
| - { arg: 0, reg: '$a0' } |
| - { arg: 1, reg: '$a1' } |
| - { arg: 2, reg: '$a2' } } |
| body: | |
| bb.0.entry: |
| DBG_VALUE $a0, $noreg, !16, !DIExpression(), debug-location !18 |
| $sp = ADDiu $sp, -24 |
| CFI_INSTRUCTION def_cfa_offset 24 |
| SW killed $ra, $sp, 20 :: (store (s32) into %stack.0) |
| SW killed $s0, $sp, 16 :: (store (s32) into %stack.1) |
| CFI_INSTRUCTION offset $ra_64, -4 |
| CFI_INSTRUCTION offset $s0_64, -8 |
| DBG_VALUE $s0, $noreg, !16, !DIExpression(), debug-location !18 |
| JAL @clobber, csr_o32, implicit-def dead $ra, implicit-def $sp, debug-location !18 { |
| $s0 = OR $a0, $zero |
| } |
| renamable $a2 = nsw ADDiu renamable $s0, 10, debug-location !18 |
| $a0 = ADDiu $zero, 44, debug-location !18 |
| JAL @fn1, csr_o32, implicit-def dead $ra, implicit $a0, implicit killed $a1, implicit $a2, implicit-def $sp, implicit-def $v0, debug-location !18 { |
| $a1 = OR killed $s0, $zero, debug-location !18 |
| } |
| DBG_VALUE $v0, $noreg, !17, !DIExpression(), debug-location !18 |
| renamable $at = SLTi renamable $v0, 11, debug-location !18 |
| renamable $v1 = nsw ADDiu renamable $v0, 10, debug-location !18 |
| renamable $v0 = MOVZ_I_I killed renamable $v1, killed renamable $at, killed renamable $v0, debug-location !18 |
| $s0 = LW $sp, 16, debug-location !18 :: (load (s32) from %stack.1) |
| $ra = LW $sp, 20, debug-location !18 :: (load (s32) from %stack.0) |
| PseudoReturn undef $ra, implicit $v0, debug-location !18 { |
| $sp = ADDiu $sp, 24 |
| } |