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
|
; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
; CHECK: t1
; CHECK: vld1.64
; CHECK: vld1.64
; CHECK: vadd.i64 q
; CHECK: vst1.64
define void @t1(<4 x i32>* %r, <2 x i64>* %a, <2 x i64>* %b) nounwind {
entry:
%0 = load <2 x i64>* %a, align 16 ; <<2 x i64>> [#uses=1]
%1 = load <2 x i64>* %b, align 16 ; <<2 x i64>> [#uses=1]
%2 = add <2 x i64> %0, %1 ; <<2 x i64>> [#uses=1]
%3 = bitcast <2 x i64> %2 to <4 x i32> ; <<4 x i32>> [#uses=1]
store <4 x i32> %3, <4 x i32>* %r, align 16
ret void
}
; CHECK: t2
; CHECK: vld1.64
; CHECK: vld1.64
; CHECK: vsub.i64 q
; CHECK: vmov r0, r1, d
; CHECK: vmov r2, r3, d
define <4 x i32> @t2(<2 x i64>* %a, <2 x i64>* %b) nounwind readonly {
entry:
%0 = load <2 x i64>* %a, align 16 ; <<2 x i64>> [#uses=1]
%1 = load <2 x i64>* %b, align 16 ; <<2 x i64>> [#uses=1]
%2 = sub <2 x i64> %0, %1 ; <<2 x i64>> [#uses=1]
%3 = bitcast <2 x i64> %2 to <4 x i32> ; <<4 x i32>> [#uses=1]
ret <4 x i32> %3
}
|
