1 ; RUN: opt -function-specialization -func-specialization-avg-iters-cost=3 -S < %s | \
2 ; RUN: FileCheck %s --check-prefixes=COMMON,DISABLED
3 ; RUN: opt -function-specialization -force-function-specialization -S < %s | \
4 ; RUN: FileCheck %s --check-prefixes=COMMON,FORCE
5 ; RUN: opt -function-specialization -func-specialization-avg-iters-cost=3 -force-function-specialization -S < %s | \
6 ; RUN: FileCheck %s --check-prefixes=COMMON,FORCE
8 ; Test for specializing a constant global.
10 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
12 @A = external dso_local constant i32, align 4
13 @B = external dso_local constant i32, align 4
15 define dso_local i32 @bar(i32 %x, i32 %y) {
17 ; FORCE: %call = call i32 @foo.1(i32 %x, i32* @A)
18 ; FORCE: %call1 = call i32 @foo.2(i32 %y, i32* @B)
19 ; DISABLED-NOT: %call1 = call i32 @foo.1(
21 %tobool = icmp ne i32 %x, 0
22 br i1 %tobool, label %if.then, label %if.else
25 %call = call i32 @foo(i32 %x, i32* @A)
29 %call1 = call i32 @foo(i32 %y, i32* @B)
33 %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
37 ; FORCE: define internal i32 @foo.1(i32 %x, i32* %b) {
39 ; FORCE-NEXT: %0 = load i32, i32* @A, align 4
40 ; FORCE-NEXT: %add = add nsw i32 %x, %0
41 ; FORCE-NEXT: ret i32 %add
44 ; FORCE: define internal i32 @foo.2(i32 %x, i32* %b) {
46 ; FORCE-NEXT: %0 = load i32, i32* @B, align 4
47 ; FORCE-NEXT: %add = add nsw i32 %x, %0
48 ; FORCE-NEXT: ret i32 %add
51 define internal i32 @foo(i32 %x, i32* %b) {
53 %0 = load i32, i32* %b, align 4
54 %add = add nsw i32 %x, %0