1; RUN: opt %s -passes=sample-profile -sample-profile-file=%S/Inputs/remap-2.prof -sample-profile-remapping-file=%S/Inputs/remap.map -S | FileCheck %s 2; Check profile remapping works for searching inline instance, searching 3; indirect call promotion candidate and prevent recursive inline. 4 5@x.addr = common global i32 zeroinitializer, align 16 6@y.addr = common global i32 zeroinitializer, align 16 7 8define i32 @_ZN3foo3barERKN1M1XINS_6detail3quxEEE() #0 !dbg !9 { 9entry: 10 %t0 = load i32, ptr @x.addr, align 4 11 %t1 = load i32, ptr @y.addr, align 4 12 %add = add nsw i32 %t0, %t1 13 ret i32 %add 14} 15 16define i32 @_ZN1M1XE() #0 !dbg !10 { 17entry: 18 %t0 = load i32, ptr @x.addr, align 4 19 %t1 = load i32, ptr @y.addr, align 4 20 %sub = sub nsw i32 %t0, %t1 21 ret i32 %sub 22} 23 24define void @test(ptr) #0 !dbg !4 { 25 %t2 = alloca ptr 26 store ptr %0, ptr %t2 27 %t3 = load ptr, ptr %t2 28; Check call i32 %t3 has been indirect call promoted and call i32 @_ZN1M1XE 29; has been inlined. 30; CHECK-LABEL: @test( 31; CHECK: icmp eq ptr %t3, @_ZN3foo3barERKN1M1XINS_6detail3quxEEE 32; CHECK-NOT: call i32 @_ZN1M1XE 33 %t4 = call i32 %t3(), !dbg !7 34 %t5 = call i32 @_ZN1M1XE(), !dbg !8 35 ret void 36} 37 38define void @_ZN1M1X1YE(ptr) #0 !dbg !11 { 39 %t2 = alloca ptr 40 store ptr %0, ptr %t2 41 %t3 = load ptr, ptr %t2 42; Check call i32 %t3 has got its profile but is not indirect call promoted 43; because the promotion candidate is a recursive call to the current function. 44; CHECK-LABEL: @_ZN1M1X1YE( 45; CHECK: call i32 %t3(), {{.*}} !prof ![[PROFID:[0-9]+]] 46; CHECK-NOT: icmp eq ptr %t3, @_ZN1M1X1YE 47 %t4 = call i32 %t3(), !dbg !12 48 ret void 49} 50 51; CHECK: ![[PROFID]] = !{!"VP", i32 0, i64 3000 52 53attributes #0 = { "use-sample-profile" } 54 55!llvm.dbg.cu = !{!0} 56!llvm.module.flags = !{!13, !14} 57!llvm.ident = !{!15} 58 59!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 60!1 = !DIFile(filename: "calls.cc", directory: ".") 61!2 = !{} 62!4 = distinct !DISubprogram(name: "test", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) 63!5 = !DIFile(filename: "calls.cc", directory: ".") 64!6 = !DISubroutineType(types: !2) 65!7 = !DILocation(line: 8, scope: !4) 66!8 = !DILocation(line: 9, scope: !4) 67!9 = distinct !DISubprogram(name: "_ZN3foo3barERKN1M1XINS_6detail3quxEEE", line: 15, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) 68!10 = distinct !DISubprogram(name: "_ZN1M1XE", line: 20, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) 69!11 = distinct !DISubprogram(name: "_ZN1M1X1YE", line: 25, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) 70!12 = !DILocation(line: 30, scope: !11) 71!13 = !{i32 2, !"Dwarf Version", i32 4} 72!14 = !{i32 1, !"Debug Info Version", i32 3} 73!15 = !{!"clang version 3.5 "} 74 75