| Charlie Turner | 458e79b | 2015-10-27 10:25:20 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=thumbv8--linux-gnueabihf | FileCheck %s |
| 2 | |
| 3 | ;; This used to cause a backend crash about not being able to |
| 4 | ;; select ROTL. Make sure if generates the basic VSHL/VSHR. |
| 5 | define <2 x i64> @testcase(<2 x i64>* %in) { |
| 6 | ; CHECK-LABEL: testcase |
| 7 | ; CHECK: vshl.i64 |
| 8 | ; CHECK: vshr.u64 |
| 9 | %1 = load <2 x i64>, <2 x i64>* %in |
| 10 | %2 = lshr <2 x i64> %1, <i64 8, i64 8> |
| 11 | %3 = shl <2 x i64> %1, <i64 56, i64 56> |
| 12 | %4 = or <2 x i64> %2, %3 |
| 13 | ret <2 x i64> %4 |
| 14 | } |