• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: opt < %s -pgo-instr-gen -instrprof -do-counter-promotion=true -speculative-counter-promotion-max-exiting=3 -S | FileCheck --check-prefix=PROMO %s
2; RUN: opt < %s --passes=pgo-instr-gen,instrprof -do-counter-promotion=true -speculative-counter-promotion-max-exiting=3 -S | FileCheck --check-prefix=PROMO %s
3
4@g = common local_unnamed_addr global i32 0, align 4
5
6define void @foo(i32 %arg) local_unnamed_addr {
7; PROMO-LABEL: @foo
8bb:
9  %tmp = add nsw i32 %arg, -1
10  br label %bb1
11bb1:                                              ; preds = %bb11, %bb
12  %tmp2 = phi i32 [ 0, %bb ], [ %tmp12, %bb11 ]
13  %tmp3 = icmp sgt i32 %tmp2, %arg
14  br i1 %tmp3, label %bb7, label %bb4
15
16bb4:                                              ; preds = %bb1
17  tail call void @bar(i32 1)
18  %tmp5 = load i32, i32* @g, align 4
19  %tmp6 = icmp sgt i32 %tmp5, 100
20  br i1 %tmp6, label %bb15_0, label %bb11
21
22bb7:                                              ; preds = %bb1
23  %tmp8 = icmp slt i32 %tmp2, %tmp
24  br i1 %tmp8, label %bb9, label %bb10
25
26bb9:                                              ; preds = %bb7
27  tail call void @bar(i32 2)
28  br label %bb11
29
30bb10:                                             ; preds = %bb7
31  tail call void @bar(i32 3)
32  br label %bb11
33
34bb11:                                             ; preds = %bb10, %bb9, %bb4
35  %tmp12 = add nuw nsw i32 %tmp2, 1
36  %tmp13 = icmp slt i32 %tmp2, 99
37  br i1 %tmp13, label %bb1, label %bb14
38
39bb14:                                             ; preds = %bb11
40; PROMO-LABEL: bb14:
41  tail call void @bar(i32 0)
42  br label %bb15
43; PROMO:  %pgocount.promoted{{.*}} = load {{.*}} @__profc_foo{{.*}} 0)
44; PROMO-NEXT: add
45; PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}0)
46; PROMO-NEXT:  %pgocount.promoted{{.*}} = load {{.*}} @__profc_foo{{.*}} 1)
47; PROMO-NEXT: add
48; PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}1)
49; PROMO-NEXT:  %pgocount.promoted{{.*}} = load {{.*}} @__profc_foo{{.*}} 2)
50; PROMO-NEXT: add
51; PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}2)
52; PROMO-NEXT:  %pgocount{{.*}} = load {{.*}} @__profc_foo{{.*}} 3)
53; PROMO-NEXT: add
54; PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}3)
55
56
57bb15_0:                                             ; preds = %bb11
58; PROMO-LABEL: bb15_0:
59  br label %bb15
60; PROMO:  %pgocount.promoted{{.*}} = load {{.*}} @__profc_foo{{.*}} 0)
61; PROMO-NEXT: add
62; PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}0)
63; PROMO-NEXT:  %pgocount.promoted{{.*}} = load {{.*}} @__profc_foo{{.*}} 1)
64; PROMO-NEXT: add
65; PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}1)
66; PROMO-NEXT:  %pgocount.promoted{{.*}} = load {{.*}} @__profc_foo{{.*}} 2)
67; PROMO-NEXT: add
68; PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}2)
69; PROMO-NEXT:  %pgocount{{.*}} = load {{.*}} @__profc_foo{{.*}} 4)
70; PROMO-NEXT: add
71; PROMO-NEXT: store {{.*}}@__profc_foo{{.*}}4)
72; PROMO-NOT: @__profc_foo
73
74
75bb15:                                             ; preds = %bb14, %bb4
76  tail call void @bar(i32 1)
77  ret void
78}
79
80declare void @bar(i32) local_unnamed_addr
81