127 lines
6.7 KiB
LLVM
127 lines
6.7 KiB
LLVM
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; REQUIRES: x86-registered-target
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; RUN: llc -filetype=obj %s -o %t
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; RUN: llvm-profgen --binary=%t --perfscript=%s --output=%t1 --show-disassembly-only -x86-asm-syntax=intel --show-source-locations | FileCheck %s --match-full-lines
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; CHECK: Disassembly of section .text [0x0, 0x4a]:
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; CHECK: <funcA>:
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; CHECK: 0: mov eax, edi funcA:0
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; CHECK: 2: mov ecx, dword ptr [rip] funcLeaf:2 @ funcA:1
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; CHECK: 8: lea edx, [rcx + 3] fib:2 @ funcLeaf:2 @ funcA:1
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; CHECK: b: cmp ecx, 3 fib:2 @ funcLeaf:2 @ funcA:1
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; CHECK: e: cmovl edx, ecx fib:2 @ funcLeaf:2 @ funcA:1
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; CHECK: 11: sub eax, edx funcLeaf:2 @ funcA:1
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; CHECK: 13: ret funcA:2
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; CHECK: 14: nop word ptr cs:[rax + rax]
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; CHECK: 1e: nop
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; CHECK: <funcLeaf>:
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; CHECK: 20: mov eax, edi funcLeaf:1
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; CHECK: 22: mov ecx, dword ptr [rip] funcLeaf:2
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; CHECK: 28: lea edx, [rcx + 3] fib:2 @ funcLeaf:2
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; CHECK: 2b: cmp ecx, 3 fib:2 @ funcLeaf:2
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; CHECK: 2e: cmovl edx, ecx fib:2 @ funcLeaf:2
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; CHECK: 31: sub eax, edx funcLeaf:2
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; CHECK: 33: ret funcLeaf:3
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; CHECK: 34: nop word ptr cs:[rax + rax]
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; CHECK: 3e: nop
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; CHECK: <fib>:
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; CHECK: 40: lea eax, [rdi + 3] fib:2
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; CHECK: 43: cmp edi, 3 fib:2
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; CHECK: 46: cmovl eax, edi fib:2
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; CHECK: 49: ret fib:8
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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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@factor = dso_local global i32 3
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define dso_local i32 @funcA(i32 %x) !dbg !12 {
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entry:
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call void @llvm.dbg.value(metadata i32 %x, metadata !16, metadata !DIExpression()), !dbg !18
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call void @llvm.dbg.value(metadata i32 %x, metadata !19, metadata !DIExpression()), !dbg !22
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%0 = load volatile i32, i32* @factor, align 4, !dbg !24, !tbaa !25
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call void @llvm.dbg.value(metadata i32 %0, metadata !29, metadata !DIExpression()), !dbg !32
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%cmp.i.i = icmp slt i32 %0, 3, !dbg !34
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%add.i.i = add nsw i32 %0, 3, !dbg !36
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%retval.0.i.i = select i1 %cmp.i.i, i32 %0, i32 %add.i.i, !dbg !36
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%sub.i = sub nsw i32 %x, %retval.0.i.i, !dbg !37
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call void @llvm.dbg.value(metadata i32 %sub.i, metadata !19, metadata !DIExpression()), !dbg !22
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call void @llvm.dbg.value(metadata i32 %sub.i, metadata !17, metadata !DIExpression()), !dbg !18
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ret i32 %sub.i, !dbg !38
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}
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define dso_local i32 @funcLeaf(i32 %x) !dbg !20 {
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entry:
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call void @llvm.dbg.value(metadata i32 %x, metadata !19, metadata !DIExpression()), !dbg !39
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%0 = load volatile i32, i32* @factor, align 4, !dbg !40, !tbaa !25
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call void @llvm.dbg.value(metadata i32 %0, metadata !29, metadata !DIExpression()), !dbg !41
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%cmp.i = icmp slt i32 %0, 3, !dbg !43
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%add.i = add nsw i32 %0, 3, !dbg !44
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%retval.0.i = select i1 %cmp.i, i32 %0, i32 %add.i, !dbg !44
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%sub = sub nsw i32 %x, %retval.0.i, !dbg !45
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call void @llvm.dbg.value(metadata i32 %sub, metadata !19, metadata !DIExpression()), !dbg !39
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ret i32 %sub, !dbg !46
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}
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define dso_local i32 @fib(i32 %x) !dbg !30 {
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entry:
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call void @llvm.dbg.value(metadata i32 %x, metadata !29, metadata !DIExpression()), !dbg !47
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%cmp = icmp slt i32 %x, 3, !dbg !48
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%add = add nsw i32 %x, 3, !dbg !49
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%retval.0 = select i1 %cmp, i32 %x, i32 %add, !dbg !49
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ret i32 %retval.0, !dbg !50
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}
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declare void @llvm.dbg.value(metadata, metadata, metadata) #2
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!8, !9, !10}
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!1 = distinct !DIGlobalVariable(name: "factor", scope: !2, file: !3, line: 3, type: !6, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, emissionKind: FullDebug)
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!3 = !DIFile(filename: "test.c", directory: "test")
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!4 = !{}
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!6 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7)
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!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!8 = !{i32 7, !"Dwarf Version", i32 4}
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!9 = !{i32 2, !"Debug Info Version", i32 3}
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!10 = !{i32 1, !"wchar_size", i32 4}
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!12 = distinct !DISubprogram(name: "funcA", scope: !3, file: !3, line: 6, type: !13, scopeLine: 6, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !15)
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!13 = !DISubroutineType(types: !14)
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!14 = !{!7, !7}
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!15 = !{!16, !17}
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!16 = !DILocalVariable(name: "x", arg: 1, scope: !12, file: !3, line: 6, type: !7)
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!17 = !DILocalVariable(name: "r", scope: !12, file: !3, line: 7, type: !7)
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!18 = !DILocation(line: 0, scope: !12)
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!19 = !DILocalVariable(name: "x", arg: 1, scope: !20, file: !3, line: 22, type: !7)
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!20 = distinct !DISubprogram(name: "funcLeaf", scope: !3, file: !3, line: 22, type: !13, scopeLine: 23, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !21)
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!21 = !{!19}
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!22 = !DILocation(line: 0, scope: !20, inlinedAt: !23)
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!23 = distinct !DILocation(line: 7, column: 11, scope: !12)
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!24 = !DILocation(line: 24, column: 12, scope: !20, inlinedAt: !23)
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!25 = !{!26, !26, i64 0}
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!26 = !{!"int", !27, i64 0}
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!27 = !{!"omnipotent char", !28, i64 0}
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!28 = !{!"Simple C/C++ TBAA"}
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!29 = !DILocalVariable(name: "x", arg: 1, scope: !30, file: !3, line: 11, type: !7)
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!30 = distinct !DISubprogram(name: "fib", scope: !3, file: !3, line: 11, type: !13, scopeLine: 12, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !31)
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!31 = !{!29}
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!32 = !DILocation(line: 0, scope: !30, inlinedAt: !33)
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!33 = distinct !DILocation(line: 24, column: 8, scope: !20, inlinedAt: !23)
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!34 = !DILocation(line: 13, column: 9, scope: !35, inlinedAt: !33)
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!35 = distinct !DILexicalBlock(scope: !30, file: !3, line: 13, column: 7)
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!36 = !DILocation(line: 13, column: 7, scope: !30, inlinedAt: !33)
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!37 = !DILocation(line: 24, column: 5, scope: !20, inlinedAt: !23)
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!38 = !DILocation(line: 8, column: 3, scope: !12)
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!39 = !DILocation(line: 0, scope: !20)
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!40 = !DILocation(line: 24, column: 12, scope: !20)
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!41 = !DILocation(line: 0, scope: !30, inlinedAt: !42)
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!42 = distinct !DILocation(line: 24, column: 8, scope: !20)
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!43 = !DILocation(line: 13, column: 9, scope: !35, inlinedAt: !42)
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!44 = !DILocation(line: 13, column: 7, scope: !30, inlinedAt: !42)
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!45 = !DILocation(line: 24, column: 5, scope: !20)
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!46 = !DILocation(line: 25, column: 3, scope: !20)
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!47 = !DILocation(line: 0, scope: !30)
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!48 = !DILocation(line: 13, column: 9, scope: !35)
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!49 = !DILocation(line: 13, column: 7, scope: !30)
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!50 = !DILocation(line: 19, column: 1, scope: !30)
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