; ModuleID = 'hi_foo.c' source_filename = "hi_foo.c" target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" target triple = "wasm32-unknown-unknown" ; // hi_foo.c: ; int y[2] = {23, 41}; ; ; void foo(int p) { ; y[p & 1]++; ; } ; ; // Will be GCed, but remain visible in debug info ; int z[2] = {1, 2}; @y = hidden local_unnamed_addr global [2 x i32] [i32 23, i32 41], align 4, !dbg !0 @z = hidden local_unnamed_addr global [2 x i32] [i32 1, i32 2], align 4, !dbg !6 ; Function Attrs: nounwind define hidden void @foo(i32 %p) local_unnamed_addr #0 !dbg !16 { entry: call void @llvm.dbg.value(metadata i32 %p, metadata !20, metadata !DIExpression()), !dbg !21 %and = and i32 %p, 1, !dbg !22 %arrayidx = getelementptr inbounds [2 x i32], [2 x i32]* @y, i32 0, i32 %and, !dbg !23 %0 = load i32, i32* %arrayidx, align 4, !dbg !24, !tbaa !25 %inc = add nsw i32 %0, 1, !dbg !24 store i32 %inc, i32* %arrayidx, align 4, !dbg !24, !tbaa !25 ret void, !dbg !29 } ; Function Attrs: nounwind readnone speculatable declare void @llvm.dbg.value(metadata, metadata, metadata) #1 attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { nounwind readnone speculatable } !llvm.dbg.cu = !{!2} !llvm.module.flags = !{!12, !13, !14} !llvm.ident = !{!15} !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) !1 = distinct !DIGlobalVariable(name: "y", scope: !2, file: !3, line: 1, type: !8, isLocal: false, isDefinition: true) !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0 (trunk 332913) (llvm/trunk 332919)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) !3 = !DIFile(filename: "hi_foo.c", directory: "/usr/local/google/home/sbc/dev/wasm/llvm-build") !4 = !{} !5 = !{!0, !6} !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) !7 = distinct !DIGlobalVariable(name: "z", scope: !2, file: !3, line: 8, type: !8, isLocal: false, isDefinition: true) !8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 64, elements: !10) !9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !10 = !{!11} !11 = !DISubrange(count: 2) !12 = !{i32 2, !"Dwarf Version", i32 4} !13 = !{i32 2, !"Debug Info Version", i32 3} !14 = !{i32 1, !"wchar_size", i32 4} !15 = !{!"clang version 7.0.0 (trunk 332913) (llvm/trunk 332919)"} !16 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 3, type: !17, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !19) !17 = !DISubroutineType(types: !18) !18 = !{null, !9} !19 = !{!20} !20 = !DILocalVariable(name: "p", arg: 1, scope: !16, file: !3, line: 3, type: !9) !21 = !DILocation(line: 3, column: 14, scope: !16) !22 = !DILocation(line: 4, column: 7, scope: !16) !23 = !DILocation(line: 4, column: 3, scope: !16) !24 = !DILocation(line: 4, column: 11, scope: !16) !25 = !{!26, !26, i64 0} !26 = !{!"int", !27, i64 0} !27 = !{!"omnipotent char", !28, i64 0} !28 = !{!"Simple C/C++ TBAA"} !29 = !DILocation(line: 5, column: 1, scope: !16)