1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
3 ; RUN: opt -function-specialization -force-function-specialization -S < %s | FileCheck %s
4 ; RUN: opt -function-specialization -force-function-specialization -func-specialization-on-address=0 -S < %s | FileCheck %s
5 ; RUN: opt -function-specialization -force-function-specialization -func-specialization-on-address=1 -S < %s | FileCheck %s --check-prefix=ON-ADDRESS
7 ; Global B is not constant. We do not specialise on addresses unless we
10 ; ON-ADDRESS: call i32 @foo.1(i32 %x, i32* @A)
11 ; ON-ADDRESS: call i32 @foo.2(i32 %y, i32* @B)
13 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
15 @A = external dso_local constant i32, align 4
16 @B = external dso_local global i32, align 4
18 define dso_local i32 @bar(i32 %x, i32 %y) {
21 ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X:%.*]], 0
22 ; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
24 ; CHECK-NEXT: [[CALL:%.*]] = call i32 @foo.1(i32 [[X]], i32* @A)
25 ; CHECK-NEXT: br label [[RETURN:%.*]]
27 ; CHECK-NEXT: [[CALL1:%.*]] = call i32 @foo(i32 [[Y:%.*]], i32* @B)
28 ; CHECK-NEXT: br label [[RETURN]]
30 ; CHECK-NEXT: [[RETVAL_0:%.*]] = phi i32 [ [[CALL]], [[IF_THEN]] ], [ [[CALL1]], [[IF_ELSE]] ]
31 ; CHECK-NEXT: ret i32 [[RETVAL_0]]
34 %tobool = icmp ne i32 %x, 0
35 br i1 %tobool, label %if.then, label %if.else
38 %call = call i32 @foo(i32 %x, i32* @A)
42 %call1 = call i32 @foo(i32 %y, i32* @B)
46 %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
50 define internal i32 @foo(i32 %x, i32* %b) {
51 ; CHECK-LABEL: define internal i32 @foo(
53 ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[B:%.*]], align 4
54 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[X:%.*]], [[TMP0]]
55 ; CHECK-NEXT: ret i32 [[ADD]]
58 %0 = load i32, i32* %b, align 4
59 %add = add nsw i32 %x, %0
63 ; CHECK-LABEL: define internal i32 @foo.1(i32 %x, i32* %b) {
65 ; CHECK-NEXT: %0 = load i32, i32* @A, align 4
66 ; CHECK-NEXT: %add = add nsw i32 %x, %0
67 ; CHECK-NEXT: ret i32 %add
70 ; CHECK-NOT: define internal i32 @foo.2(