xref: /llvm-project/llvm/test/Transforms/FunctionSpecialization/function-specialization5.ll (revision e15d72adac66790a78a51a3087b56b2bde6b778a)
1; RUN: opt -passes="ipsccp<func-spec>" -force-specialization -S < %s | FileCheck %s
2
3; There's nothing to specialize here as both calls are the same, so check that:
4;
5; CHECK-NOT: define internal i32 @foo.specialized.1(
6; CHECK-NOT: define internal i32 @foo.specialized.2(
7
8target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
9
10@A = external dso_local constant i32, align 4
11@B = external dso_local constant i32, align 4
12@C = external dso_local constant i32, align 4
13@D = external dso_local constant i32, align 4
14
15define dso_local i32 @bar(i32 %x, i32 %y) {
16entry:
17  %tobool = icmp ne i32 %x, 0
18  br i1 %tobool, label %if.then, label %if.else
19
20if.then:
21  %call = call i32 @foo(i32 %x, ptr @A, ptr @C)
22  br label %return
23
24if.else:
25  %call1 = call i32 @foo(i32 %y, ptr @A, ptr @C)
26  br label %return
27
28return:
29  %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
30  ret i32 %retval.0
31}
32
33define internal i32 @foo(i32 %x, ptr %b, ptr %c) {
34entry:
35  %0 = load i32, ptr %b, align 4
36  %add = add nsw i32 %x, %0
37  %1 = load i32, ptr %c, align 4
38  %add1 = add nsw i32 %add, %1
39  ret i32 %add1
40}
41