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1; RUN: opt < %s -passes=instcombine -o /dev/null -pass-remarks-output=%t -S \2; RUN: -pass-remarks=instcombine 2>&1 | FileCheck %s3; RUN: cat %t | FileCheck -check-prefix=YAML %s4; RUN: opt < %s -passes='require<opt-remark-emit>,instcombine' -o /dev/null \5; RUN: -pass-remarks-output=%t -S -pass-remarks=instcombine 2>&1 | FileCheck %s6; RUN: cat %t | FileCheck -check-prefix=YAML %s7 8; CHECK: remark: libcalls-opt-remarks.c:10:10: folded strlen(select) to select of constants{{$}}9; CHECK-NOT: remark:10 11; YAML: --- !Passed12; YAML-NEXT: Pass: instcombine13; YAML-NEXT: Name: simplify-libcalls14; YAML-NEXT: DebugLoc: { File: libcalls-opt-remarks.c, Line: 10, Column: 10 }15; YAML-NEXT: Function: f116; YAML-NEXT: Args:17; YAML-NEXT: - String: 'folded strlen(select) to select of constants'18; YAML-NEXT: ...19 20target 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"21 22declare i32 @strlen(ptr)23 24@hello = constant [6 x i8] c"hello\00"25@longer = constant [7 x i8] c"longer\00"26 27define i32 @f1(i1) !dbg !7 {28 %2 = select i1 %0, ptr @hello, ptr @longer, !dbg !929 %3 = call i32 @strlen(ptr %2), !dbg !1430 ret i32 %3, !dbg !1631}32 33 34 35!llvm.dbg.cu = !{!0}36!llvm.module.flags = !{!3, !4, !5}37!llvm.ident = !{!6}38 39!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)40!1 = !DIFile(filename: "libcalls-opt-remarks.c", directory: "/tmp")41!2 = !{}42!3 = !{i32 2, !"Dwarf Version", i32 4}43!4 = !{i32 2, !"Debug Info Version", i32 3}44!5 = !{i32 1, !"PIC Level", i32 2}45!6 = !{!"Apple LLVM version 8.1.0 (clang-802.0.42)"}46!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)47!8 = !DISubroutineType(types: !2)48!9 = !DILocation(line: 10, column: 17, scope: !7)49!10 = !DILocation(line: 10, column: 24, scope: !11)50!11 = !DILexicalBlockFile(scope: !7, file: !1, discriminator: 1)51!12 = !DILocation(line: 10, column: 32, scope: !13)52!13 = !DILexicalBlockFile(scope: !7, file: !1, discriminator: 2)53!14 = !DILocation(line: 10, column: 10, scope: !15)54!15 = !DILexicalBlockFile(scope: !7, file: !1, discriminator: 3)55!16 = !DILocation(line: 10, column: 3, scope: !15)56