1 ; RUN: llc -march=hexagon < %s | FileCheck %s
2 ; Check that we generate a hardware loop instruction.
5 @A = common global [400 x i8] zeroinitializer, align 8
6 @B = common global [400 x i8] zeroinitializer, align 8
7 @C = common global [400 x i8] zeroinitializer, align 8
9 define void @run() nounwind {
11 br label %polly.loop_body
13 polly.loop_after: ; preds = %polly.loop_body
16 polly.loop_body: ; preds = %entry, %polly.loop_body
17 %polly.loopiv16 = phi i32 [ 0, %entry ], [ %polly.next_loopiv, %polly.loop_body ]
18 %polly.next_loopiv = add i32 %polly.loopiv16, 4
19 %p_vector_iv14 = or i32 %polly.loopiv16, 1
20 %p_vector_iv3 = add i32 %p_vector_iv14, 1
21 %p_vector_iv415 = or i32 %polly.loopiv16, 3
22 %p_arrayidx = getelementptr [400 x i8], [400 x i8]* @A, i32 0, i32 %polly.loopiv16
23 %p_arrayidx5 = getelementptr [400 x i8], [400 x i8]* @A, i32 0, i32 %p_vector_iv14
24 %p_arrayidx6 = getelementptr [400 x i8], [400 x i8]* @A, i32 0, i32 %p_vector_iv3
25 %p_arrayidx7 = getelementptr [400 x i8], [400 x i8]* @A, i32 0, i32 %p_vector_iv415
26 store i8 123, i8* %p_arrayidx, align 1
27 store i8 123, i8* %p_arrayidx5, align 1
28 store i8 123, i8* %p_arrayidx6, align 1
29 store i8 123, i8* %p_arrayidx7, align 1
30 %0 = icmp slt i32 %polly.next_loopiv, 400
31 br i1 %0, label %polly.loop_body, label %polly.loop_after