1; RUN: llc -march=hexagon -enable-pipeliner < %s -pipeliner-experimental-cg=true | FileCheck %s
2
3; A test that the Phi rewrite logic is correct.
4
5; CHECK: [[REG0:(r[0-9]+)]] = #0
6; CHECK: loop0(.LBB0_[[LOOP:.]],
7; CHECK: .LBB0_[[LOOP]]:
8; CHECK: memh([[REG0]]+#0) = #0
9
10define void @f0(i32 %a0) #0 {
11b0:
12  %v0 = add i32 %a0, -4
13  br label %b1
14
15b1:                                               ; preds = %b1, %b0
16  %v1 = phi i16* [ %v4, %b1 ], [ null, %b0 ]
17  %v2 = phi i32 [ %v5, %b1 ], [ 0, %b0 ]
18  %v3 = getelementptr inbounds i16, i16* %v1, i32 1
19  store i16 0, i16* %v1, align 2
20  %v4 = getelementptr inbounds i16, i16* %v1, i32 2
21  store i16 0, i16* %v3, align 2
22  %v5 = add nsw i32 %v2, 8
23  %v6 = icmp slt i32 %v5, %v0
24  br i1 %v6, label %b1, label %b2
25
26b2:                                               ; preds = %b1
27  ret void
28}
29
30attributes #0 = { nounwind "target-cpu"="hexagonv55" }
31