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1; RUN: llc < %s -verify-machineinstrs -mtriple=wasm32-unknown-unknown | FileCheck %s2; RUN: llc < %s -verify-machineinstrs -mtriple=wasm32-unknown-unknown -fast-isel | FileCheck --check-prefix=CHECK-FAST %s3 4; CHECK: DW_TAG_variable5; CHECK-FAST: DW_TAG_variable6 7; Test that llvm.dbg.declare() intrinsics do not crash the backend8 9source_filename = "test/DebugInfo/WebAssembly/dbg-declare.ll"10target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"11target triple = "wasm32-unknown-unknown"12 13@key = external global [15 x i8], align 114 15define internal zeroext i8 @0(i32, i8 zeroext) !dbg !15 !type !20 {16 %3 = alloca i32, align 417 %4 = alloca i8, align 118 store i32 %0, ptr %3, align 419 call void @llvm.dbg.declare(metadata ptr %3, metadata !21, metadata !22), !dbg !2320 store i8 %1, ptr %4, align 121 call void @llvm.dbg.declare(metadata ptr %4, metadata !24, metadata !22), !dbg !2522 %5 = load i8, ptr %4, align 1, !dbg !2623 %6 = zext i8 %5 to i32, !dbg !2624 %7 = load i32, ptr %3, align 4, !dbg !2725 %8 = urem i32 %7, 15, !dbg !2826 %9 = getelementptr inbounds [15 x i8], ptr @key, i32 0, i32 %8, !dbg !2927 %10 = load i8, ptr %9, align 1, !dbg !2928 %11 = zext i8 %10 to i32, !dbg !2929 %12 = xor i32 %6, %11, !dbg !3030 %13 = trunc i32 %12 to i8, !dbg !3131 ret i8 %13, !dbg !3232}33 34; Function Attrs: nounwind readnone35 36declare void @llvm.dbg.declare(metadata, metadata, metadata) #037 38attributes #0 = { nounwind readnone }39 40!llvm.dbg.cu = !{!0}41!llvm.module.flags = !{!12, !13}42!llvm.ident = !{!14}43 44!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 273884) (llvm/trunk 273897)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)45!1 = !DIFile(filename: "crash.c", directory: "wasm/tests")46!2 = !{}47!3 = !{!4}48!4 = distinct !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)54!10 = !{!11}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: "decode", scope: !1, file: !1, line: 11, type: !16, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)60!16 = !DISubroutineType(types: !17)61!17 = !{!7, !18, !7}62!18 = !DIDerivedType(tag: DW_TAG_typedef, name: "size_t", file: !8, line: 124, baseType: !19)63!19 = !DIBasicType(name: "long unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)64!20 = !{i64 0, !"_ZTSFhmhE"}65!21 = !DILocalVariable(name: "i", arg: 1, scope: !15, file: !1, line: 11, type: !18)66!22 = !DIExpression()67!23 = !DILocation(line: 11, column: 23, scope: !15)68!24 = !DILocalVariable(name: "v", arg: 2, scope: !15, file: !1, line: 11, type: !7)69!25 = !DILocation(line: 11, column: 34, scope: !15)70!26 = !DILocation(line: 12, column: 11, scope: !15)71!27 = !DILocation(line: 12, column: 19, scope: !15)72!28 = !DILocation(line: 12, column: 21, scope: !15)73!29 = !DILocation(line: 12, column: 15, scope: !15)74!30 = !DILocation(line: 12, column: 13, scope: !15)75!31 = !DILocation(line: 12, column: 10, scope: !15)76!32 = !DILocation(line: 12, column: 3, scope: !15)77 78