1;; Test handling of memprof distributed ThinLTO when the call to update is an alias. 2 3;; Preparation steps to generate the bitcode and perform the thin link. 4; RUN: opt -thinlto-bc %s >%t.o 5; RUN: llvm-lto2 run %t.o -enable-memprof-context-disambiguation \ 6; RUN: -supports-hot-cold-new \ 7; RUN: -thinlto-distributed-indexes \ 8; RUN: -r=%t.o,main,plx \ 9; RUN: -r=%t.o,_Znam, \ 10; RUN: -o %t2.out 11 12;; Run ThinLTO backend 13; RUN: opt -passes=memprof-context-disambiguation \ 14; RUN: -memprof-import-summary=%t.o.thinlto.bc \ 15; RUN: -pass-remarks=memprof-context-disambiguation \ 16; RUN: %t.o -S 2>&1 | FileCheck %s --check-prefix=IR 17 18source_filename = "memprof-distrib-alias.ll" 19target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 20target triple = "x86_64-unknown-linux-gnu" 21 22define i32 @main() #0 { 23entry: 24 ;; The first call to fooAlias does not allocate cold memory. It should call 25 ;; the original function alias, which calls the original allocation decorated 26 ;; with a "notcold" attribute. 27 ; IR: call {{.*}} @_Z8fooAliasv() 28 %call = call ptr @_Z8fooAliasv(), !callsite !0 29 ;; The second call to fooAlias allocates cold memory. It should call the 30 ;; cloned function which calls a cloned allocation decorated with a "cold" 31 ;; attribute. 32 ; IR: call {{.*}} @_Z3foov.memprof.1() 33 %call1 = call ptr @_Z8fooAliasv(), !callsite !1 34 ret i32 0 35} 36 37; IR: define internal {{.*}} @_Z3foov() 38; IR: call {{.*}} @_Znam(i64 0) #[[NOTCOLD:[0-9]+]] 39; IR: define internal {{.*}} @_Z3foov.memprof.1() 40; IR: call {{.*}} @_Znam(i64 0) #[[COLD:[0-9]+]] 41; IR: attributes #[[NOTCOLD]] = { "memprof"="notcold" } 42; IR: attributes #[[COLD]] = { "memprof"="cold" } 43 44declare ptr @_Znam(i64) 45 46@_Z8fooAliasv = internal alias ptr (...), ptr @_Z3foov 47 48define internal ptr @_Z3foov() #0 { 49entry: 50 %call = call ptr @_Znam(i64 0), !memprof !2, !callsite !7 51 ret ptr null 52} 53 54attributes #0 = { noinline optnone } 55 56!0 = !{i64 8632435727821051414} 57!1 = !{i64 -3421689549917153178} 58!2 = !{!3, !5} 59!3 = !{!4, !"notcold"} 60!4 = !{i64 9086428284934609951, i64 8632435727821051414} 61!5 = !{!6, !"cold"} 62!6 = !{i64 9086428284934609951, i64 -3421689549917153178} 63!7 = !{i64 9086428284934609951} 64