1 ;; Test to ensure a call to a different callee but with the same debug info
2 ;; (and therefore callsite metadata) as a subsequent call in the alloc context
3 ;; does not cause missing or incorrect cloning. This test is otherwise the same
4 ;; as memprof-basic.ll.
6 ;; -stats requires asserts
9 ; RUN: opt -thinlto-bc %s >%t.o
10 ; RUN: llvm-lto2 run %t.o -enable-memprof-context-disambiguation \
11 ; RUN: -supports-hot-cold-new \
12 ; RUN: -r=%t.o,main,plx \
13 ; RUN: -r=%t.o,blah, \
14 ; RUN: -r=%t.o,_Znam, \
15 ; RUN: -memprof-verify-ccg -memprof-verify-nodes \
16 ; RUN: -stats -pass-remarks=memprof-context-disambiguation -save-temps \
17 ; RUN: -o %t.out 2>&1 | FileCheck %s \
18 ; RUN: --check-prefix=STATS --check-prefix=STATS-BE --check-prefix=REMARKS
20 ; RUN: llvm-dis %t.out.1.4.opt.bc -o - | FileCheck %s --check-prefix=IR
22 source_filename = "memprof-aliased-location2.ll"
23 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
24 target triple = "x86_64-unknown-linux-gnu"
26 define i32 @main() #0 {
28 %call = call ptr @_Z3foov(), !callsite !0
29 %call1 = call ptr @_Z3foov(), !callsite !1
35 define internal ptr @_Z3barv() #0 {
37 %call = call ptr @_Znam(i64 0), !memprof !2, !callsite !7
41 declare ptr @_Znam(i64)
43 define internal ptr @_Z3bazv() #0 {
45 %call = call ptr @_Z3barv(), !callsite !8
46 ;; Subsequent call to another callee but with the same debug location / callsite id
47 call void @blah(), !callsite !8
51 define internal ptr @_Z3foov() #0 {
53 %call = call ptr @_Z3bazv(), !callsite !9
57 ; uselistorder directives
58 uselistorder ptr @_Z3foov, { 1, 0 }
60 attributes #0 = { noinline optnone }
62 !0 = !{i64 8632435727821051414}
63 !1 = !{i64 -3421689549917153178}
65 !3 = !{!4, !"notcold"}
66 !4 = !{i64 9086428284934609951, i64 -5964873800580613432, i64 2732490490862098848, i64 8632435727821051414}
68 !6 = !{i64 9086428284934609951, i64 -5964873800580613432, i64 2732490490862098848, i64 -3421689549917153178}
69 !7 = !{i64 9086428284934609951}
70 !8 = !{i64 -5964873800580613432}
71 !9 = !{i64 2732490490862098848}
73 ; REMARKS: call in clone main assigned to call function clone _Z3foov.memprof.1
74 ; REMARKS: created clone _Z3barv.memprof.1
75 ; REMARKS: call in clone _Z3barv marked with memprof allocation attribute notcold
76 ; REMARKS: call in clone _Z3barv.memprof.1 marked with memprof allocation attribute cold
77 ; REMARKS: created clone _Z3bazv.memprof.1
78 ; REMARKS: call in clone _Z3bazv.memprof.1 assigned to call function clone _Z3barv.memprof.1
79 ; REMARKS: created clone _Z3foov.memprof.1
80 ; REMARKS: call in clone _Z3foov.memprof.1 assigned to call function clone _Z3bazv.memprof.1
83 ; IR: define {{.*}} @main
84 ;; The first call to foo does not allocate cold memory. It should call the
85 ;; original functions, which ultimately call the original allocation decorated
86 ;; with a "notcold" attribute.
87 ; IR: call {{.*}} @_Z3foov()
88 ;; The second call to foo allocates cold memory. It should call cloned functions
89 ;; which ultimately call a cloned allocation decorated with a "cold" attribute.
90 ; IR: call {{.*}} @_Z3foov.memprof.1()
91 ; IR: define internal {{.*}} @_Z3barv()
92 ; IR: call {{.*}} @_Znam(i64 0) #[[NOTCOLD:[0-9]+]]
93 ; IR: define internal {{.*}} @_Z3bazv()
94 ; IR: call {{.*}} @_Z3barv()
95 ; IR: define internal {{.*}} @_Z3foov()
96 ; IR: call {{.*}} @_Z3bazv()
97 ; IR: define internal {{.*}} @_Z3barv.memprof.1()
98 ; IR: call {{.*}} @_Znam(i64 0) #[[COLD:[0-9]+]]
99 ; IR: define internal {{.*}} @_Z3bazv.memprof.1()
100 ; IR: call {{.*}} @_Z3barv.memprof.1()
101 ; IR: define internal {{.*}} @_Z3foov.memprof.1()
102 ; IR: call {{.*}} @_Z3bazv.memprof.1()
103 ; IR: attributes #[[NOTCOLD]] = { "memprof"="notcold" }
104 ; IR: attributes #[[COLD]] = { "memprof"="cold" }
107 ; STATS: 1 memprof-context-disambiguation - Number of cold static allocations (possibly cloned)
108 ; STATS-BE: 1 memprof-context-disambiguation - Number of cold static allocations (possibly cloned) during ThinLTO backend
109 ; STATS: 1 memprof-context-disambiguation - Number of not cold static allocations (possibly cloned)
110 ; STATS-BE: 1 memprof-context-disambiguation - Number of not cold static allocations (possibly cloned) during ThinLTO backend
111 ; STATS-BE: 2 memprof-context-disambiguation - Number of allocation versions (including clones) during ThinLTO backend
112 ; STATS: 3 memprof-context-disambiguation - Number of function clones created during whole program analysis
113 ; STATS-BE: 3 memprof-context-disambiguation - Number of function clones created during ThinLTO backend
114 ; STATS-BE: 3 memprof-context-disambiguation - Number of functions that had clones created during ThinLTO backend
115 ; STATS-BE: 2 memprof-context-disambiguation - Maximum number of allocation versions created for an original allocation during ThinLTO backend
116 ; STATS-BE: 1 memprof-context-disambiguation - Number of original (not cloned) allocations with memprof profiles during ThinLTO backend