90 lines
4.0 KiB
LLVM
90 lines
4.0 KiB
LLVM
; RUN: llc -O0 %s -o - -filetype=obj \
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; RUN: | llvm-dwarfdump -statistics - | FileCheck %s
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; Test that statistics distinguish functions with the same name.
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; CHECK: "#functions": 4,
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; CHECK: "#unique source variables": 2,
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; CHECK-NEXT: "#source variables": 2,
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; $ cat test1.cpp
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; static int foo(int a) {
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; return a;
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; }
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; int boo() { return foo(42); }
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;
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; $ cat test2.cpp
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; static int foo(int a) {
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; return a;
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; }
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; int bar() { return foo(42); }
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source_filename = "llvm-link"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: noinline optnone uwtable
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define dso_local i32 @_Z3boov() !dbg !9 {
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entry:
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%call = call i32 @_ZL3fooi(i32 42), !dbg !13
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ret i32 %call
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}
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; Function Attrs: noinline nounwind optnone uwtable
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define internal i32 @_ZL3fooi(i32 %a) !dbg !15 {
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entry:
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%a.addr = alloca i32, align 4
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store i32 %a, i32* %a.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !18, metadata !DIExpression()), !dbg !19
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%0 = load i32, i32* %a.addr, align 4, !dbg !20
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ret i32 %0
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}
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; Function Attrs: nounwind readnone speculatable willreturn
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declare void @llvm.dbg.declare(metadata, metadata, metadata)
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; Function Attrs: noinline optnone uwtable
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define dso_local i32 @_Z3barv() !dbg !22 {
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entry:
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%call = call i32 @_ZL3fooi.1(i32 442), !dbg !23
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ret i32 %call
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}
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; Function Attrs: noinline nounwind optnone uwtable
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define internal i32 @_ZL3fooi.1(i32 %a) !dbg !25 {
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entry:
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%a.addr = alloca i32, align 4
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store i32 %a, i32* %a.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !26, metadata !DIExpression()), !dbg !27
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%0 = load i32, i32* %a.addr, align 4, !dbg !28
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%mul = mul nsw i32 %0, 2
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ret i32 %mul
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}
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!llvm.dbg.cu = !{!0, !3}
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!llvm.ident = !{!5, !5}
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!llvm.module.flags = !{!6, !7, !8}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 10.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "test1.cpp", directory: "/")
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!2 = !{}
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!3 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !4, producer: "clang version 10.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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!4 = !DIFile(filename: "test2.cpp", directory: "/")
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!5 = !{!"clang version 10.0.0"}
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!6 = !{i32 7, !"Dwarf Version", i32 4}
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!7 = !{i32 2, !"Debug Info Version", i32 3}
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!8 = !{i32 1, !"wchar_size", i32 4}
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!9 = distinct !DISubprogram(name: "boo", linkageName: "_Z3boov", scope: !1, file: !1, line: 5, type: !10, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!10 = !DISubroutineType(types: !11)
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!11 = !{!12}
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!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!13 = !DILocation(line: 6, column: 10, scope: !9)
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!15 = distinct !DISubprogram(name: "foo", linkageName: "_ZL3fooi", scope: !1, file: !1, line: 1, type: !16, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!16 = !DISubroutineType(types: !17)
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!17 = !{!12, !12}
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!18 = !DILocalVariable(name: "a", arg: 1, scope: !15, file: !1, line: 1, type: !12)
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!19 = !DILocation(line: 1, column: 20, scope: !15)
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!20 = !DILocation(line: 2, column: 10, scope: !15)
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!22 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv", scope: !4, file: !4, line: 5, type: !10, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !3, retainedNodes: !2)
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!23 = !DILocation(line: 6, column: 10, scope: !22)
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!25 = distinct !DISubprogram(name: "foo", linkageName: "_ZL3fooi", scope: !4, file: !4, line: 1, type: !16, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !3, retainedNodes: !2)
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!26 = !DILocalVariable(name: "a", arg: 1, scope: !25, file: !4, line: 1, type: !12)
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!27 = !DILocation(line: 1, column: 20, scope: !25)
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!28 = !DILocation(line: 2, column: 10, scope: !25)
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