;; Test that passing -supports-hot-cold-new to the LTO link allows context ;; disambiguation to proceed, and also prevents memprof metadata and attributes ;; from being removed from the LTO backend, and vice versa without passing ;; -supports-hot-cold-new. ;; Note that this tests regular LTO (with a summary) due to the module flag ;; disabling ThinLTO. ;; First check with -supports-hot-cold-new. ; RUN: opt -module-summary %s >%t.o ; RUN: llvm-lto2 run %t.o -enable-memprof-context-disambiguation \ ; RUN: -supports-hot-cold-new \ ; RUN: -r=%t.o,main,plx \ ; RUN: -r=%t.o,_Znam, \ ; RUN: -memprof-dump-ccg \ ; RUN: -save-temps \ ; RUN: -o %t.out 2>&1 | FileCheck %s --check-prefix=DUMP ; DUMP: Callsite Context Graph: ; RUN: llvm-dis %t.out.0.0.preopt.bc -o - | FileCheck %s --check-prefix=IR ; IR: !memprof {{.*}} !callsite ; 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. ; RUN: llvm-lto2 run %t.o -enable-memprof-context-disambiguation \ ; RUN: -r=%t.o,main,plx \ ; RUN: -r=%t.o,_Znam, \ ; RUN: -memprof-dump-ccg \ ; RUN: -save-temps \ ; RUN: -o %t.out 2>&1 | FileCheck %s --allow-empty \ ; RUN: --implicit-check-not "Callsite Context Graph:" ; RUN: llvm-dis %t.out.0.0.preopt.bc -o - | FileCheck %s \ ; RUN: --implicit-check-not "!memprof" --implicit-check-not "!callsite" \ ; RUN: --implicit-check-not "memprof"="cold" source_filename = "memprof-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 %call2 = call ptr @_Znam(i64 0) #1 ret i32 0 } declare ptr @_Znam(i64) attributes #0 = { noinline optnone } attributes #1 = { "memprof"="cold" } !llvm.module.flags = !{!6} !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} ;; Force regular LTO even though we have a summary. !6 = !{i32 1, !"ThinLTO", i32 0}