| ; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s |
| ; Check that we generate a hardware loop instruction. |
| ; CHECK: endloop0 |
| |
| @A = common global [400 x i8] zeroinitializer, align 8 |
| @B = common global [400 x i8] zeroinitializer, align 8 |
| @C = common global [400 x i8] zeroinitializer, align 8 |
| |
| define void @run() nounwind { |
| entry: |
| br label %polly.loop_body |
| |
| polly.loop_after: ; preds = %polly.loop_body |
| ret void |
| |
| polly.loop_body: ; preds = %entry, %polly.loop_body |
| %polly.loopiv16 = phi i32 [ 0, %entry ], [ %polly.next_loopiv, %polly.loop_body ] |
| %polly.next_loopiv = add i32 %polly.loopiv16, 4 |
| %p_vector_iv14 = or i32 %polly.loopiv16, 1 |
| %p_vector_iv3 = add i32 %p_vector_iv14, 1 |
| %p_vector_iv415 = or i32 %polly.loopiv16, 3 |
| %p_arrayidx = getelementptr [400 x i8]* @A, i32 0, i32 %polly.loopiv16 |
| %p_arrayidx5 = getelementptr [400 x i8]* @A, i32 0, i32 %p_vector_iv14 |
| %p_arrayidx6 = getelementptr [400 x i8]* @A, i32 0, i32 %p_vector_iv3 |
| %p_arrayidx7 = getelementptr [400 x i8]* @A, i32 0, i32 %p_vector_iv415 |
| store i8 123, i8* %p_arrayidx, align 1 |
| store i8 123, i8* %p_arrayidx5, align 1 |
| store i8 123, i8* %p_arrayidx6, align 1 |
| store i8 123, i8* %p_arrayidx7, align 1 |
| %0 = icmp slt i32 %polly.next_loopiv, 400 |
| br i1 %0, label %polly.loop_body, label %polly.loop_after |
| } |
