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1# RUN: llc -run-pass=prologepilog -o - %s | FileCheck %s2--- |3 ; ModuleID = 'dbg.opt.ll'4 source_filename = "dbg.c"5 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"6 target triple = "x86_64-unknown-linux-gnu"7 8 ; Function Attrs: noinline nounwind uwtable9 define dso_local zeroext i16 @foo(i16 zeroext %d0, i16 zeroext %d1, i16 zeroext %d2, i16 zeroext %d3, i16 zeroext %d4, i16 zeroext %d5, i16 zeroext %d6, i16 zeroext %d7, i16 zeroext %d8, i16 signext %x) #0 !dbg !7 {10 entry:11 call void @llvm.dbg.value(metadata i16 %x, metadata !32, metadata !DIExpression(DW_OP_LLVM_convert, 16, DW_ATE_signed, DW_OP_LLVM_convert, 32, DW_ATE_signed, DW_OP_stack_value)), !dbg !3412 ret i16 %x13 }14 15 ; Function Attrs: nounwind readnone speculatable16 declare void @llvm.dbg.value(metadata, metadata, metadata) #117 18 attributes #0 = { noinline nounwind uwtable }19 attributes #1 = { nounwind readnone speculatable }20 21 !llvm.dbg.cu = !{!0}22 !llvm.module.flags = !{!3, !4, !5}23 !llvm.ident = !{!6}24 25 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)26 !1 = !DIFile(filename: "dbg.c", directory: "/tmp")27 !2 = !{}28 !3 = !{i32 2, !"Dwarf Version", i32 4}29 !4 = !{i32 2, !"Debug Info Version", i32 3}30 !5 = !{i32 1, !"wchar_size", i32 4}31 !6 = !{!"clang version 9.0.0"}32 !7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)33 !8 = !DISubroutineType(types: !9)34 !9 = !{!10, !10, !10, !10, !10, !10, !10, !10, !10, !10, !10}35 !10 = !DIDerivedType(tag: DW_TAG_typedef, name: "T", file: !1, line: 1, baseType: !11)36 !11 = !DIBasicType(name: "signed short", size: 16, encoding: DW_ATE_signed)37 !32 = !DILocalVariable(name: "y", scope: !7, file: !1, line: 3, type: !33)38 !33 = !DIBasicType(name: "signed int", size: 32, encoding: DW_ATE_signed)39 !34 = !DILocation(line: 3, column: 20, scope: !7)40 41...42---43name: foo44tracksRegLiveness: true45fixedStack:46 - { id: 0, type: default, offset: 24, size: 2, alignment: 8, stack-id: default,47 isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,48 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }49stack: []50constants: []51machineFunctionInfo: {}52body: |53 bb.0.entry:54 renamable $ax = MOV16rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (load (s16) from %fixed-stack.0, align 8)55 DBG_VALUE %fixed-stack.0, 0, !32, !DIExpression(DW_OP_LLVM_convert, 16, DW_ATE_signed, DW_OP_LLVM_convert, 32, DW_ATE_signed, DW_OP_stack_value), debug-location !3456 RET 0, $ax57...58# CHECK: machineFunctionInfo59# CHECK: DBG_VALUE $rsp, $noreg, !12, !DIExpression(DW_OP_plus_uconst, {{[0-9]+}}, DW_OP_deref_size, 2, DW_OP_LLVM_convert, 16, DW_ATE_signed, DW_OP_LLVM_convert, 32, DW_ATE_signed, DW_OP_stack_value), debug-location !1460