| ; REQUIRES: x86-registered-target |
| |
| ; RUN: opt -module-summary %s -o %t.bc |
| |
| ; Tests that with dead stripping in the thin link enabled (default), we do not |
| ; promote to target of the dropped dead symbol _ZL3foov. This can happen with a |
| ; sample profile collected for one binary used to optimize for another binary. |
| ; RUN: llvm-lto2 run -save-temps -o %t2 %t.bc -r %t.bc,fptr,plx \ |
| ; RUN: -r %t.bc,main,plx -r %t.bc,_ZL3foov,l |
| ; RUN: llvm-dis < %t2.1.4.opt.bc | FileCheck %s --check-prefix=OPT |
| ; RUN: llvm-lto2 run -save-temps -o %t2 %t.bc -r %t.bc,fptr,plx \ |
| ; RUN: -r %t.bc,main,plx -r %t.bc,_ZL3foov,l -compute-dead=false |
| ; RUN: llvm-dis < %t2.1.4.opt.bc | FileCheck %s --check-prefix=OPT-NODEAD |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @fptr = local_unnamed_addr global ptr null, align 8 |
| |
| define void @_ZL3foov() #1 { |
| entry: |
| ret void |
| } |
| |
| define i32 @main() local_unnamed_addr #0 !prof !34 { |
| entry: |
| %0 = load ptr, ptr @fptr, align 8 |
| ; OPT-NOT: label %if.false.orig_indirect |
| ; OPT-NODEAD: br i1 %{{[0-9]+}}, label %if.end.icp, label %if.false.orig_indirect |
| tail call void %0(), !prof !40 |
| ret i32 0 |
| } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3,!4} |
| !llvm.ident = !{!31} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 5.0.0 (trunk 297016)", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2) |
| !1 = !DIFile(filename: "main.cc", directory: ".") |
| !2 = !{} |
| !3 = !{i32 2, !"Debug Info Version", i32 3} |
| !4 = !{i32 1, !"ProfileSummary", !5} |
| !5 = !{!6, !7, !8, !9, !10, !11, !12, !13} |
| !6 = !{!"ProfileFormat", !"SampleProfile"} |
| !7 = !{!"TotalCount", i64 3003} |
| !8 = !{!"MaxCount", i64 3000} |
| !9 = !{!"MaxInternalCount", i64 0} |
| !10 = !{!"MaxFunctionCount", i64 0} |
| !11 = !{!"NumCounts", i64 3} |
| !12 = !{!"NumFunctions", i64 1} |
| !13 = !{!"DetailedSummary", !14} |
| !14 = !{!15, !16, !17, !18, !19, !20, !20, !21, !21, !22, !23, !24, !25, !26, !27, !28, !29, !30} |
| !15 = !{i32 10000, i64 3000, i32 1} |
| !16 = !{i32 100000, i64 3000, i32 1} |
| !17 = !{i32 200000, i64 3000, i32 1} |
| !18 = !{i32 300000, i64 3000, i32 1} |
| !19 = !{i32 400000, i64 3000, i32 1} |
| !20 = !{i32 500000, i64 3000, i32 1} |
| !21 = !{i32 600000, i64 3000, i32 1} |
| !22 = !{i32 700000, i64 3000, i32 1} |
| !23 = !{i32 800000, i64 3000, i32 1} |
| !24 = !{i32 900000, i64 3000, i32 1} |
| !25 = !{i32 950000, i64 3000, i32 1} |
| !26 = !{i32 990000, i64 3000, i32 1} |
| !27 = !{i32 999000, i64 3000, i32 1} |
| !28 = !{i32 999900, i64 2, i32 2} |
| !29 = !{i32 999990, i64 2, i32 2} |
| !30 = !{i32 999999, i64 2, i32 2} |
| !31 = !{!"clang version 5.0.0 (trunk 297016)"} |
| !34 = !{!"function_entry_count", i64 1} |
| !40 = !{!"VP", i32 0, i64 3000, i64 -8789629626369651636, i64 3000} |