1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
; Test that opaque constants are not creating an infinite DAGCombine loop
; RUN: llc < %s
; XFAIL: target=r600{{.*}}
@a = common global ptr null, align 8
@c = common global i32 0, align 4
@b = common global ptr null, align 8
; Function Attrs: nounwind ssp uwtable
define void @fn() {
store ptr inttoptr (i64 68719476735 to ptr), ptr @a, align 8
%1 = load i32, ptr @c, align 4
%2 = sext i32 %1 to i64
%3 = lshr i64 %2, 12
%4 = and i64 %3, 68719476735
%5 = getelementptr inbounds i32, ptr null, i64 %4
store ptr %5, ptr @b, align 8
ret void
}
|
