xref: /llvm-project/llvm/test/Transforms/FunctionSpecialization/function-specialization-minsize.ll (revision e15d72adac66790a78a51a3087b56b2bde6b778a) 
1; RUN: opt -passes="ipsccp<func-spec>" -S < %s | FileCheck %s
2
3; CHECK-NOT: @compute.specialized.1
4; CHECK-NOT: @compute.specialized.2
5
6define i64 @main(i64 %x, i1 %flag) {
7entry:
8  br i1 %flag, label %plus, label %minus
9
10plus:
11  %tmp0 = call i64 @compute(i64 %x, ptr @plus)
12  br label %merge
13
14minus:
15  %tmp1 = call i64 @compute(i64 %x, ptr @minus)
16  br label %merge
17
18merge:
19  %tmp2 = phi i64 [ %tmp0, %plus ], [ %tmp1, %minus]
20  ret i64 %tmp2
21}
22
23define internal i64 @compute(i64 %x, ptr %binop) minsize {
24entry:
25  %tmp0 = call i64 %binop(i64 %x)
26  ret i64 %tmp0
27}
28
29define internal i64 @plus(i64 %x) {
30entry:
31  %tmp0 = add i64 %x, 1
32  ret i64 %tmp0
33}
34
35define internal i64 @minus(i64 %x) {
36entry:
37  %tmp0 = sub i64 %x, 1
38  ret i64 %tmp0
39}
40