| ; Let sample profile loader replay inlining of small/cold functions |
| |
| ; Make sure we don't inline the cold call sites by default |
| ; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-cold.prof -S | FileCheck -check-prefix=NOTINLINE %s |
| |
| ; Make sure we inline code call sites for size if requested |
| |
| ; Make sure we re-inline everything if requested |
| ; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-cold.prof -sample-profile-inline-size -sample-profile-cold-inline-threshold=9999999 -S | FileCheck -check-prefix=INLINE %s |
| |
| ; Make sure the separate size threshold for sample profile loader inlining works |
| ; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-cold.prof -sample-profile-inline-size -sample-profile-cold-inline-threshold=-500 -S | FileCheck -check-prefix=NOTINLINE %s |
| |
| @.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1 |
| |
| define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !6 { |
| entry: |
| %x.addr = alloca i32, align 4 |
| %y.addr = alloca i32, align 4 |
| store i32 %x, ptr %x.addr, align 4 |
| store i32 %y, ptr %y.addr, align 4 |
| %tmp = load i32, ptr %x.addr, align 4, !dbg !8 |
| %tmp1 = load i32, ptr %y.addr, align 4, !dbg !8 |
| %add = add nsw i32 %tmp, %tmp1, !dbg !8 |
| ret i32 %add, !dbg !8 |
| } |
| |
| define i32 @main() #0 !dbg !9 { |
| entry: |
| %retval = alloca i32, align 4 |
| %s = alloca i32, align 4 |
| %i = alloca i32, align 4 |
| store i32 0, ptr %retval |
| store i32 0, ptr %i, align 4, !dbg !10 |
| br label %while.cond, !dbg !11 |
| |
| while.cond: ; preds = %if.end, %entry |
| %tmp = load i32, ptr %i, align 4, !dbg !12 |
| %inc = add nsw i32 %tmp, 1, !dbg !12 |
| store i32 %inc, ptr %i, align 4, !dbg !12 |
| %cmp = icmp slt i32 %tmp, 400000000, !dbg !12 |
| br i1 %cmp, label %while.body, label %while.end, !dbg !12 |
| |
| while.body: ; preds = %while.cond |
| %tmp1 = load i32, ptr %i, align 4, !dbg !14 |
| %cmp1 = icmp ne i32 %tmp1, 100, !dbg !14 |
| br i1 %cmp1, label %if.then, label %if.else, !dbg !14 |
| |
| if.then: ; preds = %while.body |
| %tmp2 = load i32, ptr %i, align 4, !dbg !16 |
| %tmp3 = load i32, ptr %s, align 4, !dbg !16 |
| %call = call i32 @_Z3sumii(i32 %tmp2, i32 %tmp3), !dbg !16 |
| ; INLINE-NOT: call i32 @_Z3sumii |
| ; NOTINLINE: call i32 @_Z3sumii |
| store i32 %call, ptr %s, align 4, !dbg !16 |
| br label %if.end, !dbg !16 |
| |
| if.else: ; preds = %while.body |
| store i32 30, ptr %s, align 4, !dbg !18 |
| br label %if.end |
| |
| if.end: ; preds = %if.else, %if.then |
| br label %while.cond, !dbg !20 |
| |
| while.end: ; preds = %while.cond |
| %tmp4 = load i32, ptr %s, align 4, !dbg !22 |
| %call2 = call i32 (ptr, ...) @printf(ptr @.str, i32 %tmp4), !dbg !22 |
| ret i32 0, !dbg !23 |
| } |
| |
| attributes #0 = { "use-sample-profile" } |
| |
| declare i32 @printf(ptr, ...) |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4} |
| !llvm.ident = !{!5} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.5 ", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2) |
| !1 = !DIFile(filename: "calls.cc", directory: ".") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 1, !"Debug Info Version", i32 3} |
| !5 = !{!"clang version 3.5 "} |
| !6 = distinct !DISubprogram(name: "sum", scope: !1, file: !1, line: 3, type: !7, scopeLine: 3, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) |
| !7 = !DISubroutineType(types: !2) |
| !8 = !DILocation(line: 4, scope: !6) |
| !9 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 7, type: !7, scopeLine: 7, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) |
| !10 = !DILocation(line: 8, scope: !9) |
| !11 = !DILocation(line: 9, scope: !9) |
| !12 = !DILocation(line: 9, scope: !13) |
| !13 = !DILexicalBlockFile(scope: !9, file: !1, discriminator: 2) |
| !14 = !DILocation(line: 10, scope: !15) |
| !15 = distinct !DILexicalBlock(scope: !9, file: !1, line: 10) |
| !16 = !DILocation(line: 10, scope: !17) |
| !17 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 2) |
| !18 = !DILocation(line: 10, scope: !19) |
| !19 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 4) |
| !20 = !DILocation(line: 10, scope: !21) |
| !21 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 6) |
| !22 = !DILocation(line: 11, scope: !9) |
| !23 = !DILocation(line: 12, scope: !9) |