xref: /aosp_15_r20/external/llvm/test/Transforms/Inline/inline-hot-callsite.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -inline -inline-threshold=0 -inlinehint-threshold=100 -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; This tests that a hot callsite gets the (higher) inlinehint-threshold even without
4*9880d681SAndroid Build Coastguard Worker; without inline hints and gets inlined because the cost is less than
5*9880d681SAndroid Build Coastguard Worker; inlinehint-threshold. A cold callee with identical body does not get inlined because
6*9880d681SAndroid Build Coastguard Worker; cost exceeds the inline-threshold
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine i32 @callee1(i32 %x) {
9*9880d681SAndroid Build Coastguard Worker  %x1 = add i32 %x, 1
10*9880d681SAndroid Build Coastguard Worker  %x2 = add i32 %x1, 1
11*9880d681SAndroid Build Coastguard Worker  %x3 = add i32 %x2, 1
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker  ret i32 %x3
14*9880d681SAndroid Build Coastguard Worker}
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerdefine i32 @callee2(i32 %x) {
17*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @callee2(
18*9880d681SAndroid Build Coastguard Worker  %x1 = add i32 %x, 1
19*9880d681SAndroid Build Coastguard Worker  %x2 = add i32 %x1, 1
20*9880d681SAndroid Build Coastguard Worker  %x3 = add i32 %x2, 1
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Worker  ret i32 %x3
23*9880d681SAndroid Build Coastguard Worker}
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workerdefine i32 @caller2(i32 %y1) {
26*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @caller2(
27*9880d681SAndroid Build Coastguard Worker; CHECK: call i32 @callee2
28*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call i32 @callee1
29*9880d681SAndroid Build Coastguard Worker; CHECK: ret i32 %x3.i
30*9880d681SAndroid Build Coastguard Worker  %y2 = call i32 @callee2(i32 %y1), !prof !22
31*9880d681SAndroid Build Coastguard Worker  %y3 = call i32 @callee1(i32 %y2), !prof !21
32*9880d681SAndroid Build Coastguard Worker  ret i32 %y3
33*9880d681SAndroid Build Coastguard Worker}
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Worker!llvm.module.flags = !{!1}
36*9880d681SAndroid Build Coastguard Worker!21 = !{!"branch_weights", i64 300}
37*9880d681SAndroid Build Coastguard Worker!22 = !{!"branch_weights", i64 1}
38*9880d681SAndroid Build Coastguard Worker
39*9880d681SAndroid Build Coastguard Worker!1 = !{i32 1, !"ProfileSummary", !2}
40*9880d681SAndroid Build Coastguard Worker!2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
41*9880d681SAndroid Build Coastguard Worker!3 = !{!"ProfileFormat", !"InstrProf"}
42*9880d681SAndroid Build Coastguard Worker!4 = !{!"TotalCount", i64 10000}
43*9880d681SAndroid Build Coastguard Worker!5 = !{!"MaxCount", i64 1000}
44*9880d681SAndroid Build Coastguard Worker!6 = !{!"MaxInternalCount", i64 1}
45*9880d681SAndroid Build Coastguard Worker!7 = !{!"MaxFunctionCount", i64 1000}
46*9880d681SAndroid Build Coastguard Worker!8 = !{!"NumCounts", i64 3}
47*9880d681SAndroid Build Coastguard Worker!9 = !{!"NumFunctions", i64 3}
48*9880d681SAndroid Build Coastguard Worker!10 = !{!"DetailedSummary", !11}
49*9880d681SAndroid Build Coastguard Worker!11 = !{!12, !13, !14}
50*9880d681SAndroid Build Coastguard Worker!12 = !{i32 10000, i64 100, i32 1}
51*9880d681SAndroid Build Coastguard Worker!13 = !{i32 999000, i64 100, i32 1}
52*9880d681SAndroid Build Coastguard Worker!14 = !{i32 999999, i64 1, i32 2}
53