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130 lines
5.9 KiB
130 lines
5.9 KiB
; RUN: opt -S -globalopt < %s | FileCheck %s
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source_filename = "array.c"
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.mystruct = type { i32, i64 }
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; Generated from:
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;
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; static long double array[2];
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; void __attribute__((nodebug)) foo(int in) { array[0] = in; }
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; void __attribute__((nodebug)) bar(int in) { array[1] = in; }
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; int main(int argc, char **argv)
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; {
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; foo(argv[0][1]);
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; bar(argv[0][1]);
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; return (array[0] + array[1]) > 0;
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; }
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;
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; using clang -O0 -g2 -S -emit-llvm
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@array = internal global [2 x x86_fp80] zeroinitializer, align 16, !dbg !0
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; CHECK: @array.0 = internal unnamed_addr global x86_fp80 0xK00000000000000000000, align 16, !dbg ![[EL0:.*]]
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; CHECK: @array.1 = internal unnamed_addr global x86_fp80 0xK00000000000000000000, align 16, !dbg ![[EL1:.*]]
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;
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; CHECK: ![[EL0]] = !DIGlobalVariableExpression(var: ![[VAR:.*]], expr: !DIExpression(DW_OP_LLVM_fragment, 0, 128))
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; CHECK: ![[VAR]] = distinct !DIGlobalVariable(name: "array"
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; CHECK: ![[EL1]] = !DIGlobalVariableExpression(var: ![[VAR]], expr: !DIExpression(DW_OP_LLVM_fragment, 128, 128))
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; Function Attrs: noinline nounwind optnone uwtable
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define void @foo(i32 %in) #0 {
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entry:
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%in.addr = alloca i32, align 4
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store i32 %in, i32* %in.addr, align 4
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%0 = load i32, i32* %in.addr, align 4
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%conv = sitofp i32 %0 to x86_fp80
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store x86_fp80 %conv, x86_fp80* getelementptr inbounds ([2 x x86_fp80], [2 x x86_fp80]* @array, i64 0, i64 0), align 16
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ret void
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}
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; Function Attrs: noinline nounwind optnone uwtable
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define void @bar(i32 %in) #0 {
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entry:
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%in.addr = alloca i32, align 4
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store i32 %in, i32* %in.addr, align 4
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%0 = load i32, i32* %in.addr, align 4
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%conv = sitofp i32 %0 to x86_fp80
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store x86_fp80 %conv, x86_fp80* getelementptr inbounds ([2 x x86_fp80], [2 x x86_fp80]* @array, i64 0, i64 1), align 16
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ret void
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}
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; Function Attrs: noinline nounwind optnone uwtable
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define i32 @main(i32 %argc, i8** %argv) #0 !dbg !14 {
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entry:
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%retval = alloca i32, align 4
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%argc.addr = alloca i32, align 4
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%argv.addr = alloca i8**, align 8
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store i32 0, i32* %retval, align 4
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store i32 %argc, i32* %argc.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %argc.addr, metadata !21, metadata !DIExpression()), !dbg !22
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store i8** %argv, i8*** %argv.addr, align 8
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call void @llvm.dbg.declare(metadata i8*** %argv.addr, metadata !23, metadata !DIExpression()), !dbg !24
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%0 = load i8**, i8*** %argv.addr, align 8, !dbg !25
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%arrayidx = getelementptr inbounds i8*, i8** %0, i64 0, !dbg !25
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%1 = load i8*, i8** %arrayidx, align 8, !dbg !25
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%arrayidx1 = getelementptr inbounds i8, i8* %1, i64 1, !dbg !25
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%2 = load i8, i8* %arrayidx1, align 1, !dbg !25
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%conv = sext i8 %2 to i32, !dbg !25
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call void @foo(i32 %conv), !dbg !26
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%3 = load i8**, i8*** %argv.addr, align 8, !dbg !27
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%arrayidx2 = getelementptr inbounds i8*, i8** %3, i64 0, !dbg !27
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%4 = load i8*, i8** %arrayidx2, align 8, !dbg !27
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%arrayidx3 = getelementptr inbounds i8, i8* %4, i64 1, !dbg !27
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%5 = load i8, i8* %arrayidx3, align 1, !dbg !27
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%conv4 = sext i8 %5 to i32, !dbg !27
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call void @bar(i32 %conv4), !dbg !28
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%6 = load x86_fp80, x86_fp80* getelementptr inbounds ([2 x x86_fp80], [2 x x86_fp80]* @array, i64 0, i64 0), align 16, !dbg !29
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%7 = load x86_fp80, x86_fp80* getelementptr inbounds ([2 x x86_fp80], [2 x x86_fp80]* @array, i64 0, i64 1), align 16, !dbg !30
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%add = fadd x86_fp80 %6, %7, !dbg !31
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%cmp = fcmp ogt x86_fp80 %add, 0xK00000000000000000000, !dbg !32
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%conv5 = zext i1 %cmp to i32, !dbg !32
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ret i32 %conv5, !dbg !33
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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attributes #0 = { noinline nounwind optnone uwtable }
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attributes #1 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!10, !11, !12}
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!llvm.ident = !{!13}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "array", scope: !2, file: !3, line: 1, type: !6, isLocal: true, isDefinition: true)
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!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)
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!3 = !DIFile(filename: "array.c", directory: "/")
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!4 = !{}
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!5 = !{!0}
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!6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 256, elements: !8)
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!7 = !DIBasicType(name: "long double", size: 128, encoding: DW_ATE_float)
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!8 = !{!9}
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!9 = !DISubrange(count: 2)
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!10 = !{i32 2, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{i32 1, !"wchar_size", i32 4}
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!13 = !{!"clang version 7.0.0"}
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!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)
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!15 = !DISubroutineType(types: !16)
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!16 = !{!17, !17, !18}
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!17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!18 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !19, size: 64)
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!19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)
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!20 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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!21 = !DILocalVariable(name: "argc", arg: 1, scope: !14, file: !3, line: 4, type: !17)
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!22 = !DILocation(line: 4, column: 14, scope: !14)
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!23 = !DILocalVariable(name: "argv", arg: 2, scope: !14, file: !3, line: 4, type: !18)
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!24 = !DILocation(line: 4, column: 27, scope: !14)
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!25 = !DILocation(line: 6, column: 7, scope: !14)
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!26 = !DILocation(line: 6, column: 3, scope: !14)
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!27 = !DILocation(line: 7, column: 7, scope: !14)
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!28 = !DILocation(line: 7, column: 3, scope: !14)
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!29 = !DILocation(line: 8, column: 11, scope: !14)
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!30 = !DILocation(line: 8, column: 22, scope: !14)
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!31 = !DILocation(line: 8, column: 20, scope: !14)
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!32 = !DILocation(line: 8, column: 32, scope: !14)
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!33 = !DILocation(line: 8, column: 3, scope: !14)
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