1 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner < %s -pipeliner-experimental-cg=true | FileCheck %s
2 ; RUN: llc -march=hexagon -mcpu=hexagonv62 -enable-pipeliner < %s -pipeliner-experimental-cg=true | FileCheck --check-prefix=CHECK-V62 %s
3 ; RUN: llc -march=hexagon -mcpu=hexagonv65 -enable-pipeliner < %s -pipeliner-experimental-cg=true | FileCheck --check-prefix=CHECK-V65 %s
6 ; Make sure we pipeline the loop and that we generate the correct
7 ; base+offset values for the loads.
9 ; CHECK: loop0(.LBB0_[[LOOP:.]],
10 ; CHECK: .LBB0_[[LOOP]]:
11 ; CHECK: r{{[0-9]+}} = memw([[REG1:(r[0-9]+)]]+#{{[0,4]}})
12 ; CHECK: r{{[0-9]+}} = memw([[REG1]]++#4)
13 ; CHECK: }{{[ \t]*}}:endloop
14 ; CHECK-V62-NOT: }{{[ \t]*}}:mem_noshuf
15 ; CHECK-V65: }{{[ \t]*}}:mem_noshuf
17 ; Function Attrs: nounwind
18 define i32 @f0(ptr %a0) #0 {
22 b1: ; preds = %b1, %b0
23 %v0 = phi i32 [ %v7, %b1 ], [ 0, %b0 ]
24 %v1 = getelementptr inbounds ptr, ptr %a0, i32 %v0
25 %v2 = load ptr, ptr %v1, align 4
26 store i32 0, ptr %v2, align 4
27 %v4 = load ptr, ptr %v1, align 4
28 %v5 = getelementptr inbounds i8, ptr %v4, i32 8
29 store i32 0, ptr %v5, align 4
30 %v7 = add nsw i32 %v0, 1
31 %v8 = icmp eq i32 %v7, 2
32 br i1 %v8, label %b2, label %b1
38 attributes #0 = { nounwind }