1 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner < %s -pipeliner-experimental-cg=true | FileCheck %s
2 ; RUN: llc -march=hexagon -mcpu=hexagonv60 -enable-pipeliner < %s -pipeliner-experimental-cg=true | FileCheck %s --check-prefix=CHECKV60
5 ; CHECK: loop0(.LBB0_[[LOOP:.]],
6 ; CHECK: .LBB0_[[LOOP]]:
7 ; CHECK: add(r{{[0-9]+}},r{{[0-9]+}})
8 ; CHECK-NEXT: memw(r{{[0-9]+}}++#4)
11 ; V60 does not pipeline due to latencies.
12 ; CHECKV60: memw(r{{[0-9]+}}++#4)
13 ; CHECKV60: add(r{{[0-9]+}},r{{[0-9]+}})
15 define i32 @f0(ptr %a0, i32 %a1) {
19 b1: ; preds = %b1, %b0
20 %v0 = phi i32 [ 0, %b0 ], [ %v4, %b1 ]
21 %v1 = phi ptr [ %a0, %b0 ], [ %v7, %b1 ]
22 %v2 = phi i32 [ 0, %b0 ], [ %v5, %b1 ]
23 %v3 = load i32, ptr %v1, align 4
24 %v4 = add nsw i32 %v3, %v0
25 %v5 = add nsw i32 %v2, 1
26 %v6 = icmp eq i32 %v5, 10000
27 %v7 = getelementptr i32, ptr %v1, i32 1
28 br i1 %v6, label %b2, label %b1