| ; 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 |
| } |
