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1; RUN: opt -S -passes=globalopt < %s | FileCheck %s2source_filename = "array.c"3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"4target triple = "x86_64-unknown-linux-gnu"5 6%struct.mystruct = type { i32, i64 }7 8; Generated from:9;10; static long double array[2];11; void __attribute__((nodebug)) foo(int in) { array[0] = in; }12; void __attribute__((nodebug)) bar(int in) { array[1] = in; }13; int main(int argc, char **argv)14; {15; foo(argv[0][1]);16; bar(argv[0][1]);17; return (array[0] + array[1]) > 0;18; }19;20; using clang -O0 -g2 -S -emit-llvm21 22@array = internal global [2 x x86_fp80] zeroinitializer, align 16, !dbg !023 24; CHECK: @array.0 = internal unnamed_addr global x86_fp80 0xK00000000000000000000, align 16, !dbg ![[EL0:.*]]25; CHECK: @array.1 = internal unnamed_addr global x86_fp80 0xK00000000000000000000, align 16, !dbg ![[EL1:.*]]26;27; CHECK: ![[EL0]] = !DIGlobalVariableExpression(var: ![[VAR:.*]], expr: !DIExpression(DW_OP_LLVM_fragment, 0, 128))28; CHECK: ![[VAR]] = distinct !DIGlobalVariable(name: "array"29; CHECK: ![[EL1]] = !DIGlobalVariableExpression(var: ![[VAR]], expr: !DIExpression(DW_OP_LLVM_fragment, 128, 128))30 31; Function Attrs: noinline nounwind optnone uwtable32define void @foo(i32 %in) #0 {33entry:34 %in.addr = alloca i32, align 435 store i32 %in, ptr %in.addr, align 436 %0 = load i32, ptr %in.addr, align 437 %conv = sitofp i32 %0 to x86_fp8038 store x86_fp80 %conv, ptr @array, align 1639 ret void40}41 42; Function Attrs: noinline nounwind optnone uwtable43define void @bar(i32 %in) #0 {44entry:45 %in.addr = alloca i32, align 446 store i32 %in, ptr %in.addr, align 447 %0 = load i32, ptr %in.addr, align 448 %conv = sitofp i32 %0 to x86_fp8049 store x86_fp80 %conv, ptr getelementptr inbounds ([2 x x86_fp80], ptr @array, i64 0, i64 1), align 1650 ret void51}52 53; Function Attrs: noinline nounwind optnone uwtable54define i32 @main(i32 %argc, ptr %argv) #0 !dbg !14 {55entry:56 %retval = alloca i32, align 457 %argc.addr = alloca i32, align 458 %argv.addr = alloca ptr, align 859 store i32 0, ptr %retval, align 460 store i32 %argc, ptr %argc.addr, align 461 call void @llvm.dbg.declare(metadata ptr %argc.addr, metadata !21, metadata !DIExpression()), !dbg !2262 store ptr %argv, ptr %argv.addr, align 863 call void @llvm.dbg.declare(metadata ptr %argv.addr, metadata !23, metadata !DIExpression()), !dbg !2464 %0 = load ptr, ptr %argv.addr, align 8, !dbg !2565 %1 = load ptr, ptr %0, align 8, !dbg !2566 %arrayidx1 = getelementptr inbounds i8, ptr %1, i64 1, !dbg !2567 %2 = load i8, ptr %arrayidx1, align 1, !dbg !2568 %conv = sext i8 %2 to i32, !dbg !2569 call void @foo(i32 %conv), !dbg !2670 %3 = load ptr, ptr %argv.addr, align 8, !dbg !2771 %4 = load ptr, ptr %3, align 8, !dbg !2772 %arrayidx3 = getelementptr inbounds i8, ptr %4, i64 1, !dbg !2773 %5 = load i8, ptr %arrayidx3, align 1, !dbg !2774 %conv4 = sext i8 %5 to i32, !dbg !2775 call void @bar(i32 %conv4), !dbg !2876 %6 = load x86_fp80, ptr @array, align 16, !dbg !2977 %7 = load x86_fp80, ptr getelementptr inbounds ([2 x x86_fp80], ptr @array, i64 0, i64 1), align 16, !dbg !3078 %add = fadd x86_fp80 %6, %7, !dbg !3179 %cmp = fcmp ogt x86_fp80 %add, 0xK00000000000000000000, !dbg !3280 %conv5 = zext i1 %cmp to i32, !dbg !3281 ret i32 %conv5, !dbg !3382}83 84; Function Attrs: nounwind readnone speculatable85declare void @llvm.dbg.declare(metadata, metadata, metadata) #186 87attributes #0 = { noinline nounwind optnone uwtable }88attributes #1 = { nounwind readnone speculatable }89 90!llvm.dbg.cu = !{!2}91!llvm.module.flags = !{!10, !11, !12}92!llvm.ident = !{!13}93 94!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())95!1 = distinct !DIGlobalVariable(name: "array", scope: !2, file: !3, line: 1, type: !6, isLocal: true, isDefinition: true)96!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)97!3 = !DIFile(filename: "array.c", directory: "/")98!4 = !{}99!5 = !{!0}100!6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 256, elements: !8)101!7 = !DIBasicType(name: "long double", size: 128, encoding: DW_ATE_float)102!8 = !{!9}103!9 = !DISubrange(count: 2)104!10 = !{i32 2, !"Dwarf Version", i32 4}105!11 = !{i32 2, !"Debug Info Version", i32 3}106!12 = !{i32 1, !"wchar_size", i32 4}107!13 = !{!"clang version 7.0.0"}108!14 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 4, type: !15, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)109!15 = !DISubroutineType(types: !16)110!16 = !{!17, !17, !18}111!17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)112!18 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !19, size: 64)113!19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)114!20 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)115!21 = !DILocalVariable(name: "argc", arg: 1, scope: !14, file: !3, line: 4, type: !17)116!22 = !DILocation(line: 4, column: 14, scope: !14)117!23 = !DILocalVariable(name: "argv", arg: 2, scope: !14, file: !3, line: 4, type: !18)118!24 = !DILocation(line: 4, column: 27, scope: !14)119!25 = !DILocation(line: 6, column: 7, scope: !14)120!26 = !DILocation(line: 6, column: 3, scope: !14)121!27 = !DILocation(line: 7, column: 7, scope: !14)122!28 = !DILocation(line: 7, column: 3, scope: !14)123!29 = !DILocation(line: 8, column: 11, scope: !14)124!30 = !DILocation(line: 8, column: 22, scope: !14)125!31 = !DILocation(line: 8, column: 20, scope: !14)126!32 = !DILocation(line: 8, column: 32, scope: !14)127!33 = !DILocation(line: 8, column: 3, scope: !14)128