1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
; RUN: opt -function-specialization -func-specialization-avg-iters-cost=3 -S < %s | \
; RUN: FileCheck %s --check-prefixes=COMMON,DISABLED
; RUN: opt -function-specialization -force-function-specialization -S < %s | \
; RUN: FileCheck %s --check-prefixes=COMMON,FORCE
; RUN: opt -function-specialization -func-specialization-avg-iters-cost=3 -force-function-specialization -S < %s | \
; RUN: FileCheck %s --check-prefixes=COMMON,FORCE
; Test for specializing a constant global.
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
@A = external dso_local constant i32, align 4
@B = external dso_local constant i32, align 4
define dso_local i32 @bar(i32 %x, i32 %y) {
; COMMON-LABEL: @bar
; FORCE: %call = call i32 @foo.1(i32 %x, i32* @A)
; FORCE: %call1 = call i32 @foo.2(i32 %y, i32* @B)
; DISABLED-NOT: %call1 = call i32 @foo.1(
entry:
%tobool = icmp ne i32 %x, 0
br i1 %tobool, label %if.then, label %if.else
if.then:
%call = call i32 @foo(i32 %x, i32* @A)
br label %return
if.else:
%call1 = call i32 @foo(i32 %y, i32* @B)
br label %return
return:
%retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
ret i32 %retval.0
}
; FORCE: define internal i32 @foo.1(i32 %x, i32* %b) {
; FORCE-NEXT: entry:
; FORCE-NEXT: %0 = load i32, i32* @A, align 4
; FORCE-NEXT: %add = add nsw i32 %x, %0
; FORCE-NEXT: ret i32 %add
; FORCE-NEXT: }
; FORCE: define internal i32 @foo.2(i32 %x, i32* %b) {
; FORCE-NEXT: entry:
; FORCE-NEXT: %0 = load i32, i32* @B, align 4
; FORCE-NEXT: %add = add nsw i32 %x, %0
; FORCE-NEXT: ret i32 %add
; FORCE-NEXT: }
define internal i32 @foo(i32 %x, i32* %b) {
entry:
%0 = load i32, i32* %b, align 4
%add = add nsw i32 %x, %0
ret i32 %add
}
|
