1 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner < %s -pipeliner-experimental-cg=true | FileCheck %s
2 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -O2 < %s -pipeliner-experimental-cg=true | FileCheck %s
3 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -O3 < %s -pipeliner-experimental-cg=true | FileCheck %s
5 ; Check that we pipeline a vectorized dot product in a single packet.
14 @a = common global [5000 x i32] zeroinitializer, align 8
15 @b = common global [5000 x i32] zeroinitializer, align 8
17 define i32 @vecMultGlobal() {
19 br label %polly.loop_body
22 %0 = extractelement <2 x i32> %addp_vec, i32 0
23 %1 = extractelement <2 x i32> %addp_vec, i32 1
24 %add_sum = add i32 %0, %1
28 %polly.loopiv13 = phi i32 [ 0, %entry ], [ %polly.next_loopiv, %polly.loop_body ]
29 %reduction.012 = phi <2 x i32> [ zeroinitializer, %entry ], [ %addp_vec, %polly.loop_body ]
30 %polly.next_loopiv = add nsw i32 %polly.loopiv13, 2
31 %p_arrayidx1 = getelementptr [5000 x i32], [5000 x i32]* @b, i32 0, i32 %polly.loopiv13
32 %p_arrayidx = getelementptr [5000 x i32], [5000 x i32]* @a, i32 0, i32 %polly.loopiv13
33 %vector_ptr = bitcast i32* %p_arrayidx1 to <2 x i32>*
34 %_p_vec_full = load <2 x i32>, <2 x i32>* %vector_ptr, align 8
35 %vector_ptr7 = bitcast i32* %p_arrayidx to <2 x i32>*
36 %_p_vec_full8 = load <2 x i32>, <2 x i32>* %vector_ptr7, align 8
37 %mulp_vec = mul <2 x i32> %_p_vec_full8, %_p_vec_full
38 %addp_vec = add <2 x i32> %mulp_vec, %reduction.012
39 %2 = icmp slt i32 %polly.next_loopiv, 5000
40 br i1 %2, label %polly.loop_body, label %polly.loop_after