58 lines
2.6 KiB
LLVM
58 lines
2.6 KiB
LLVM
; RUN: opt < %s -instcombine -o /dev/null -pass-remarks-output=%t -S \
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; RUN: -pass-remarks=instcombine 2>&1 | FileCheck %s
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; RUN: cat %t | FileCheck -check-prefix=YAML %s
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; RUN: opt < %s -passes='require<opt-remark-emit>,instcombine' -o /dev/null \
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; RUN: -pass-remarks-output=%t -S -pass-remarks=instcombine 2>&1 | FileCheck %s
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; RUN: cat %t | FileCheck -check-prefix=YAML %s
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; CHECK: remark: libcalls-opt-remarks.c:10:10: folded strlen(select) to select of constants{{$}}
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; CHECK-NOT: remark:
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; YAML: --- !Passed
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; YAML-NEXT: Pass: instcombine
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; YAML-NEXT: Name: simplify-libcalls
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; YAML-NEXT: DebugLoc: { File: libcalls-opt-remarks.c, Line: 10, Column: 10 }
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; YAML-NEXT: Function: f1
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; YAML-NEXT: Args:
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; YAML-NEXT: - String: 'folded strlen(select) to select of constants'
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; YAML-NEXT: ...
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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declare i32 @strlen(i8*)
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@hello = constant [6 x i8] c"hello\00"
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@longer = constant [7 x i8] c"longer\00"
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define i32 @f1(i1) !dbg !7 {
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%hello = getelementptr [6 x i8], [6 x i8]* @hello, i32 0, i32 0, !dbg !10
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%longer = getelementptr [7 x i8], [7 x i8]* @longer, i32 0, i32 0, !dbg !12
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%2 = select i1 %0, i8* %hello, i8* %longer, !dbg !9
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%3 = call i32 @strlen(i8* %2), !dbg !14
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ret i32 %3, !dbg !16
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}
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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: "Apple LLVM version 8.1.0 (clang-802.0.42)", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)
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!1 = !DIFile(filename: "libcalls-opt-remarks.c", directory: "/tmp")
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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, !"PIC Level", i32 2}
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!6 = !{!"Apple LLVM version 8.1.0 (clang-802.0.42)"}
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!7 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 9, type: !8, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)
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!8 = !DISubroutineType(types: !2)
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!9 = !DILocation(line: 10, column: 17, scope: !7)
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!10 = !DILocation(line: 10, column: 24, scope: !11)
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!11 = !DILexicalBlockFile(scope: !7, file: !1, discriminator: 1)
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!12 = !DILocation(line: 10, column: 32, scope: !13)
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!13 = !DILexicalBlockFile(scope: !7, file: !1, discriminator: 2)
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!14 = !DILocation(line: 10, column: 10, scope: !15)
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!15 = !DILexicalBlockFile(scope: !7, file: !1, discriminator: 3)
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!16 = !DILocation(line: 10, column: 3, scope: !15)
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