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
|
; RUN: opt < %s -globalopt -S > %t
; RUN: grep {@Y = internal unnamed_addr global \\\[3 x \[%\]struct.X\\\] zeroinitializer} %t
; RUN: grep load %t | count 6
; RUN: grep {add i32 \[%\]a, \[%\]b} %t | count 3
; globalopt should not sra the global, because it can't see the index.
%struct.X = type { [3 x i32], [3 x i32] }
@Y = internal global [3 x %struct.X] zeroinitializer
@addr = external global i8
define void @frob() {
store i32 1, i32* getelementptr inbounds ([3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 ptrtoint (i8* @addr to i64)), align 4
ret void
}
define i32 @borf(i64 %i, i64 %j) {
%p = getelementptr inbounds [3 x %struct.X]* @Y, i64 0, i64 0, i32 0, i64 0
%a = load i32* %p
%q = getelementptr inbounds [3 x %struct.X]* @Y, i64 0, i64 0, i32 1, i64 0
%b = load i32* %q
%c = add i32 %a, %b
ret i32 %c
}
define i32 @borg(i64 %i, i64 %j) {
%p = getelementptr inbounds [3 x %struct.X]* @Y, i64 0, i64 1, i32 0, i64 1
%a = load i32* %p
%q = getelementptr inbounds [3 x %struct.X]* @Y, i64 0, i64 1, i32 1, i64 1
%b = load i32* %q
%c = add i32 %a, %b
ret i32 %c
}
define i32 @borh(i64 %i, i64 %j) {
%p = getelementptr inbounds [3 x %struct.X]* @Y, i64 0, i64 2, i32 0, i64 2
%a = load i32* %p
%q = getelementptr inbounds [3 x %struct.X]* @Y, i64 0, i64 2, i32 1, i64 2
%b = load i32* %q
%c = add i32 %a, %b
ret i32 %c
}
|
