forked from OSchip/llvm-project
20 lines
702 B
LLVM
20 lines
702 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=thumbv8--linux-gnueabihf | FileCheck %s
|
|
|
|
;; This used to cause a backend crash about not being able to
|
|
;; select ROTL. Make sure if generates the basic VSHL/VSHR.
|
|
define <2 x i64> @testcase(<2 x i64>* %in) {
|
|
; CHECK-LABEL: testcase:
|
|
; CHECK: @ %bb.0:
|
|
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
|
|
; CHECK-NEXT: vshl.i64 q9, q8, #56
|
|
; CHECK-NEXT: vshr.u64 q8, q8, #8
|
|
; CHECK-NEXT: vorr q0, q8, q9
|
|
; CHECK-NEXT: bx lr
|
|
%1 = load <2 x i64>, <2 x i64>* %in
|
|
%2 = lshr <2 x i64> %1, <i64 8, i64 8>
|
|
%3 = shl <2 x i64> %1, <i64 56, i64 56>
|
|
%4 = or <2 x i64> %2, %3
|
|
ret <2 x i64> %4
|
|
}
|