1 ; RUN: llc < %s -O0 -verify-machineinstrs | FileCheck %s
4 ; CHECK: #DEBUG_VALUE: usage:self <- %4
6 ; CHECK: DW_TAG_variable
7 source_filename = "test/CodeGen/WebAssembly/dbgvalue.ll"
8 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
9 target triple = "wasm32-unknown-unknown"
11 @key = external local_unnamed_addr global [15 x i8], align 1
12 @.str = external unnamed_addr constant [33 x i8], align 1
14 define internal i32 @0(i8*) local_unnamed_addr !dbg !15 !type !23 {
15 tail call void @llvm.dbg.value(metadata i8* %0, i64 0, metadata !22, metadata !24), !dbg !25
16 %2 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str, i32 0, i32 0), i8* %0), !dbg !26
17 br i1 true, label %a, label %b
28 %5 = phi i32 [ %3, %a ], [ %4, %b ]
29 %6 = add i32 ptrtoint (i32 (i8*)* @0 to i32), %5
33 declare i32 @printf(i8* nocapture readonly, ...) local_unnamed_addr
35 ; Function Attrs: nounwind readnone
36 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #0
38 attributes #0 = { nounwind readnone }
41 !llvm.module.flags = !{!12, !13}
44 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 273884) (llvm/trunk 273897)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
45 !1 = !DIFile(filename: "crash.c", directory: "wasm/tests")
48 !4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression())
49 !5 = !DIGlobalVariable(name: "key", scope: !0, file: !1, line: 7, type: !6, isLocal: false, isDefinition: true)
50 !6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 120, align: 8, elements: !10)
51 !7 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint8_t", file: !8, line: 185, baseType: !9)
52 !8 = !DIFile(filename: "wasm/emscripten/system/include/libc/bits/alltypes.h", directory: "wasm/tests")
53 !9 = !DIBasicType(name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
55 !11 = !DISubrange(count: 15)
56 !12 = !{i32 2, !"Dwarf Version", i32 4}
57 !13 = !{i32 2, !"Debug Info Version", i32 3}
58 !14 = !{!"clang version 3.9.0 (trunk 273884) (llvm/trunk 273897)"}
59 !15 = distinct !DISubprogram(name: "usage", scope: !1, file: !1, line: 15, type: !16, isLocal: false, isDefinition: true, scopeLine: 15, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !21)
60 !16 = !DISubroutineType(types: !17)
62 !18 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
63 !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 32, align: 32)
64 !20 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
66 !22 = !DILocalVariable(name: "self", arg: 1, scope: !15, file: !1, line: 15, type: !19)
67 !23 = !{i64 0, !"_ZTSFiPcE"}
69 !25 = !DILocation(line: 15, column: 17, scope: !15)
70 !26 = !DILocation(line: 16, column: 3, scope: !15)
71 !27 = !DILocation(line: 17, column: 3, scope: !15)