| ; REQUIRES: x86-registered-target |
| |
| ;; Test that passing -supports-hot-cold-new to the thin link prevents memprof |
| ;; metadata and attributes from being removed from the distributed ThinLTO |
| ;; backend, and vice versa without passing -supports-hot-cold-new. |
| |
| ;; First check with -supports-hot-cold-new. |
| ; RUN: opt -thinlto-bc %s >%t.o |
| ; RUN: llvm-lto2 run %t.o -save-temps \ |
| ; RUN: -supports-hot-cold-new \ |
| ; RUN: -thinlto-distributed-indexes \ |
| ; RUN: -r=%t.o,main,plx \ |
| ; RUN: -r=%t.o,_Znam, \ |
| ; RUN: -o %t.out |
| |
| ;; Ensure that the index file reflects the -supports-hot-cold-new, as that is |
| ;; how the ThinLTO backend behavior is controlled. |
| ; RUN: llvm-dis %t.out.index.bc -o - | FileCheck %s --check-prefix=CHECK-INDEX-ON |
| ;; Flags are printed in decimal, but this corresponds to 0x161, and 0x100 is |
| ;; the value indicating -supports-hot-cold-new was enabled. |
| ; CHECK-INDEX-ON: flags: 353 |
| |
| ; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t1.o -x ir %t.o -c -fthinlto-index=%t.o.thinlto.bc -save-temps=obj |
| |
| ; RUN: llvm-dis %t.s.3.import.bc -o - | FileCheck %s --check-prefix=CHECK-IR |
| ; CHECK-IR: !memprof {{.*}} !callsite |
| ; CHECK-IR: "memprof"="cold" |
| |
| ;; Next check without -supports-hot-cold-new, we should not perform |
| ;; context disambiguation, and we should strip memprof metadata and |
| ;; attributes before optimization during the distributed backend. |
| ; RUN: llvm-lto2 run %t.o -save-temps \ |
| ; RUN: -thinlto-distributed-indexes \ |
| ; RUN: -r=%t.o,main,plx \ |
| ; RUN: -r=%t.o,_Znam, \ |
| ; RUN: -o %t.out |
| |
| ;; Ensure that the index file reflects not having -supports-hot-cold-new. |
| ; RUN: llvm-dis %t.out.index.bc -o - | FileCheck %s --check-prefix=CHECK-INDEX-OFF |
| ;; Flags are printed in decimal, but this corresponds to 0x61, without 0x100 set. |
| ; CHECK-INDEX-OFF: flags: 97 |
| |
| ; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t1.o -x ir %t.o -c -fthinlto-index=%t.o.thinlto.bc -save-temps=obj |
| |
| ; RUN: llvm-dis %t.s.3.import.bc -o - | FileCheck %s \ |
| ; RUN: --implicit-check-not "!memprof" --implicit-check-not "!callsite" \ |
| ; RUN: --implicit-check-not "memprof"="cold" |
| |
| source_filename = "thinlto-distributed-supports-hot-cold-new.ll" |
| 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" |
| |
| define i32 @main() #0 { |
| entry: |
| %call = call ptr @_Znam(i64 0), !memprof !0, !callsite !5 |
| %call1 = call ptr @_Znam(i64 0) #1 |
| ret i32 0 |
| } |
| |
| declare ptr @_Znam(i64) |
| |
| attributes #0 = { noinline optnone } |
| attributes #1 = { "memprof"="cold" } |
| |
| !0 = !{!1, !3} |
| !1 = !{!2, !"notcold"} |
| !2 = !{i64 9086428284934609951, i64 -5964873800580613432, i64 2732490490862098848, i64 8632435727821051414} |
| !3 = !{!4, !"cold"} |
| !4 = !{i64 9086428284934609951, i64 -5964873800580613432, i64 2732490490862098848, i64 -3421689549917153178} |
| !5 = !{i64 9086428284934609951} |