1 ; RUN: opt -passes="ipsccp<func-spec>" -S < %s | \
2 ; RUN: FileCheck %s --check-prefixes=COMMON,DISABLED
3 ; RUN: opt -passes="ipsccp<func-spec>" -force-specialization -S < %s | \
4 ; RUN: FileCheck %s --check-prefixes=COMMON,FORCE
6 ; Test for specializing a constant global.
8 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
10 @A = external dso_local constant i32, align 4
11 @B = external dso_local constant i32, align 4
13 define dso_local i32 @bar(i32 %x, i32 %y) {
15 ; FORCE: %call = call i32 @foo.specialized.1(i32 %x, ptr @A)
16 ; FORCE: %call1 = call i32 @foo.specialized.2(i32 %y, ptr @B)
17 ; DISABLED-NOT: %call1 = call i32 @foo.specialized.1(
19 %tobool = icmp ne i32 %x, 0
20 br i1 %tobool, label %if.then, label %if.else
23 %call = call i32 @foo(i32 %x, ptr @A)
27 %call1 = call i32 @foo(i32 %y, ptr @B)
31 %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
35 ; FORCE-NOT: define internal i32 @foo(
37 ; FORCE: define internal i32 @foo.specialized.1(i32 %x, ptr %b) {
39 ; FORCE-NEXT: %0 = load i32, ptr @A, align 4
40 ; FORCE-NEXT: %add = add nsw i32 %x, %0
41 ; FORCE-NEXT: ret i32 %add
44 ; FORCE: define internal i32 @foo.specialized.2(i32 %x, ptr %b) {
46 ; FORCE-NEXT: %0 = load i32, ptr @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, ptr %b) {
53 %0 = load i32, ptr %b, align 4
54 %add = add nsw i32 %x, %0