1 ; RUN: opt -passes="ipsccp<func-spec>" -force-specialization \
2 ; RUN: -funcspec-for-literal-constant=false -funcspec-max-clones=2 \
3 ; RUN: -S < %s | FileCheck %s
5 ; RUN: opt -passes="ipsccp<func-spec>" -force-specialization \
6 ; RUN: -funcspec-for-literal-constant=false -funcspec-max-clones=1 \
7 ; RUN: -S < %s | FileCheck %s --check-prefix=CONST1
9 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
11 @A = external dso_local constant i32, align 4
12 @B = external dso_local constant i32, align 4
13 @C = external dso_local constant i32, align 4
14 @D = external dso_local constant i32, align 4
16 define dso_local i32 @bar(i32 %x, i32 %y) {
18 %tobool = icmp ne i32 %x, 0
19 br i1 %tobool, label %if.then, label %if.else
22 %call = call i32 @foo(i32 %x, ptr @A, ptr @C)
26 %call1 = call i32 @foo(i32 %y, ptr @B, ptr @D)
30 %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
34 ; CHECK-NOT: define internal i32 @foo(
35 define internal i32 @foo(i32 %x, ptr %b, ptr %c) {
37 %0 = load i32, ptr %b, align 4
38 %add = add nsw i32 %x, %0
39 %1 = load i32, ptr %c, align 4
40 %add1 = add nsw i32 %add, %1
44 ; CONST1: define internal i32 @foo.specialized.1(i32 %x, ptr %b, ptr %c)
45 ; CONST1-NOT: define internal i32 @foo.specialized.2(i32 %x, ptr %b, ptr %c)
47 ; CHECK: define internal i32 @foo.specialized.1(i32 %x, ptr %b, ptr %c) {
49 ; CHECK-NEXT: %0 = load i32, ptr @A, align 4
50 ; CHECK-NEXT: %add = add nsw i32 %x, %0
51 ; CHECK-NEXT: %1 = load i32, ptr @C, align 4
52 ; CHECK-NEXT: %add1 = add nsw i32 %add, %1
53 ; CHECK-NEXT: ret i32 %add1
56 ; CHECK: define internal i32 @foo.specialized.2(i32 %x, ptr %b, ptr %c) {
58 ; CHECK-NEXT: %0 = load i32, ptr @B, align 4
59 ; CHECK-NEXT: %add = add nsw i32 %x, %0
60 ; CHECK-NEXT: %1 = load i32, ptr @D, align 4
61 ; CHECK-NEXT: %add1 = add nsw i32 %add, %1
62 ; CHECK-NEXT: ret i32 %add1