176 lines
7.6 KiB
LLVM
176 lines
7.6 KiB
LLVM
; UNSUPPORTED: system-windows
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; REQUIRES: x86-registered-target
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; RUN: llc %s -o %t0.o -filetype=obj
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; RUN: %llvm-locstats %t0.o | FileCheck %s --check-prefix=LOCSTATS
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;
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; Test the llvm-locstats output.
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; LOCSTATS: 0% 0 0%
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; LOCSTATS: (0%,10%) 0 0%
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; LOCSTATS: [10%,20%) 0 0%
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; LOCSTATS: [20%,30%) 1 11%
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; LOCSTATS: [30%,40%) 0 0%
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; LOCSTATS: [40%,50%) 0 0%
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; LOCSTATS: [50%,60%) 0 0%
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; LOCSTATS: [60%,70%) 3 33%
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; LOCSTATS: [70%,80%) 0 0%
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; LOCSTATS: [80%,90%) 2 22%
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; LOCSTATS: [90%,100%) 1 11%
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; LOCSTATS: 100% 2 22%
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;
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; The source code of the test case:
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;extern int fn2 (int);
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;
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;__attribute__((noinline))
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;int
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;fn1 (int *x, int *y)
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;{
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; int a = *x;
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; int b = *y;
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; int local = a + b;
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; if (a > 1) {
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; local += 2;
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; ++local;
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; if (local > 200)
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; local -= fn2(a);
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; } else {
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; local += 3;
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; ++local;
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; local += fn2(a);
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; }
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; if (b > 4)
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; local += a;
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; int local2 = 7;
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; local -= fn2 (local2);
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; return local;
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;}
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;
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;__attribute__((noinline))
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;int f()
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;{
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; int l, k;
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; int res = 0;
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; res += fn1 (&l, &k);
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; return res;
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;}
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;
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; ModuleID = 'locstats.c'
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source_filename = "locstats.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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; Function Attrs: noinline nounwind uwtable
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define dso_local i32 @fn1(i32* nocapture readonly %0, i32* nocapture readonly %1) local_unnamed_addr !dbg !7 {
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call void @llvm.dbg.value(metadata i32* %0, metadata !13, metadata !DIExpression()), !dbg !19
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call void @llvm.dbg.value(metadata i32* %1, metadata !14, metadata !DIExpression()), !dbg !19
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%3 = load i32, i32* %0, align 4, !dbg !20
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call void @llvm.dbg.value(metadata i32 %3, metadata !15, metadata !DIExpression()), !dbg !19
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%4 = load i32, i32* %1, align 4, !dbg !20
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call void @llvm.dbg.value(metadata i32 %4, metadata !16, metadata !DIExpression()), !dbg !19
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%5 = add nsw i32 %4, %3, !dbg !20
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call void @llvm.dbg.value(metadata i32 %5, metadata !17, metadata !DIExpression()), !dbg !19
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%6 = icmp sgt i32 %3, 1, !dbg !20
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br i1 %6, label %7, label %13, !dbg !22
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7: ; preds = %2
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call void @llvm.dbg.value(metadata i32 %5, metadata !17, metadata !DIExpression(DW_OP_plus_uconst, 2, DW_OP_stack_value)), !dbg !19
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%8 = add nsw i32 %5, 3, !dbg !23
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call void @llvm.dbg.value(metadata i32 %8, metadata !17, metadata !DIExpression()), !dbg !19
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%9 = icmp sgt i32 %8, 200, !dbg !25
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br i1 %9, label %10, label %17, !dbg !27
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10: ; preds = %7
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%11 = tail call i32 @fn2(i32 %3), !dbg !27
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%12 = sub nsw i32 %8, %11, !dbg !27
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call void @llvm.dbg.value(metadata i32 %12, metadata !17, metadata !DIExpression()), !dbg !19
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br label %17, !dbg !27
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13: ; preds = %2
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call void @llvm.dbg.value(metadata i32 %5, metadata !17, metadata !DIExpression(DW_OP_plus_uconst, 3, DW_OP_stack_value)), !dbg !19
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%14 = add nsw i32 %5, 4, !dbg !28
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call void @llvm.dbg.value(metadata i32 %14, metadata !17, metadata !DIExpression()), !dbg !19
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%15 = tail call i32 @fn2(i32 %3), !dbg !30
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%16 = add nsw i32 %14, %15, !dbg !30
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call void @llvm.dbg.value(metadata i32 %16, metadata !17, metadata !DIExpression()), !dbg !19
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br label %17
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17: ; preds = %7, %10, %13
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%18 = phi i32 [ %12, %10 ], [ %8, %7 ], [ %16, %13 ], !dbg !31
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call void @llvm.dbg.value(metadata i32 %18, metadata !17, metadata !DIExpression()), !dbg !19
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%19 = icmp sgt i32 %4, 4, !dbg !32
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%20 = select i1 %19, i32 %3, i32 0, !dbg !34
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%21 = add nsw i32 %18, %20, !dbg !34
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call void @llvm.dbg.value(metadata i32 %21, metadata !17, metadata !DIExpression()), !dbg !19
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call void @llvm.dbg.value(metadata i32 7, metadata !18, metadata !DIExpression()), !dbg !19
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%22 = tail call i32 @fn2(i32 7), !dbg !34
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%23 = sub i32 %21, %22, !dbg !34
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call void @llvm.dbg.value(metadata i32 %23, metadata !17, metadata !DIExpression()), !dbg !19
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ret i32 %23, !dbg !34
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}
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declare dso_local i32 @fn2(i32) local_unnamed_addr
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; Function Attrs: noinline nounwind uwtable
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define dso_local i32 @f() local_unnamed_addr !dbg !35 {
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%1 = alloca i32, align 4
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%2 = alloca i32, align 4
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%3 = bitcast i32* %1 to i8*, !dbg !42
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%4 = bitcast i32* %2 to i8*, !dbg !42
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call void @llvm.dbg.value(metadata i32 0, metadata !41, metadata !DIExpression()), !dbg !42
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call void @llvm.dbg.value(metadata i32* %1, metadata !39, metadata !DIExpression(DW_OP_deref)), !dbg !42
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call void @llvm.dbg.value(metadata i32* %2, metadata !40, metadata !DIExpression(DW_OP_deref)), !dbg !42
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%5 = call i32 @fn1(i32* nonnull %1, i32* nonnull %2), !dbg !42
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call void @llvm.dbg.value(metadata i32 %5, metadata !41, metadata !DIExpression()), !dbg !42
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ret i32 %5, !dbg !42
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}
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; Function Attrs: nounwind readnone speculatable willreturn
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
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!1 = !DIFile(filename: "locstats.c", directory: "/dir")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{!"clang version 10.0.0"}
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!7 = distinct !DISubprogram(name: "fn1", scope: !1, file: !1, line: 5, type: !8, scopeLine: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !12)
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!8 = !DISubroutineType(types: !9)
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!9 = !{!10, !11, !11}
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!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64)
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!12 = !{!13, !14, !15, !16, !17, !18}
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!13 = !DILocalVariable(name: "x", arg: 1, scope: !7, file: !1, line: 5, type: !11)
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!14 = !DILocalVariable(name: "y", arg: 2, scope: !7, file: !1, line: 5, type: !11)
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!15 = !DILocalVariable(name: "a", scope: !7, file: !1, line: 7, type: !10)
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!16 = !DILocalVariable(name: "b", scope: !7, file: !1, line: 8, type: !10)
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!17 = !DILocalVariable(name: "local", scope: !7, file: !1, line: 9, type: !10)
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!18 = !DILocalVariable(name: "local2", scope: !7, file: !1, line: 22, type: !10)
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!19 = !DILocation(line: 0, scope: !7)
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!20 = !DILocation(line: 7, column: 11, scope: !7)
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!21 = distinct !DILexicalBlock(scope: !7, file: !1, line: 10, column: 7)
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!22 = !DILocation(line: 10, column: 7, scope: !7)
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!23 = !DILocation(line: 12, column: 5, scope: !24)
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!24 = distinct !DILexicalBlock(scope: !21, file: !1, line: 10, column: 14)
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!25 = !DILocation(line: 13, column: 15, scope: !26)
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!26 = distinct !DILexicalBlock(scope: !24, file: !1, line: 13, column: 9)
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!27 = !DILocation(line: 13, column: 9, scope: !24)
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!28 = !DILocation(line: 17, column: 5, scope: !26)
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!29 = distinct !DILexicalBlock(scope: !21, file: !1, line: 15, column: 10)
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!30 = !DILocation(line: 18, column: 14, scope: !29)
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!31 = !DILocation(line: 0, scope: !21)
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!32 = !DILocation(line: 20, column: 9, scope: !33)
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!33 = distinct !DILexicalBlock(scope: !7, file: !1, line: 20, column: 7)
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!34 = !DILocation(line: 20, column: 7, scope: !7)
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!35 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 28, type: !36, scopeLine: 29, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !38)
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!36 = !DISubroutineType(types: !37)
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!37 = !{!10}
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!38 = !{!39, !40, !41}
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!39 = !DILocalVariable(name: "l", scope: !35, file: !1, line: 30, type: !10)
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!40 = !DILocalVariable(name: "k", scope: !35, file: !1, line: 30, type: !10)
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!41 = !DILocalVariable(name: "res", scope: !35, file: !1, line: 31, type: !10)
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!42 = !DILocation(line: 30, column: 3, scope: !35)
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