1 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner < %s | FileCheck %s 2 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -O2 < %s | FileCheck %s 3 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -O3 < %s | FileCheck %s 4 ; 5 ; Check that we pipeline a vectorized dot product in a single packet. 6 ; 7 ; CHECK: { 8 ; CHECK: += mpyi 9 ; CHECK: += mpyi 10 ; CHECK: memd 11 ; CHECK: memd 12 ; CHECK: } :endloop0 13 14 @a = common global [5000 x i32] zeroinitializer, align 8 15 @b = common global [5000 x i32] zeroinitializer, align 8 16 17 define i32 @vecMultGlobal() { 18 entry: 19 br label %polly.loop_body 20 21 polly.loop_after: 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 25 ret i32 %add_sum 26 27 polly.loop_body: 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 41 } 42
