| Krzysztof Parzyszek | 4094ab7 | 2018-03-20 19:35:09 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon -enable-pipeliner < %s | 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 | |
| 10 | define void @f0() #0 { |
| 11 | b0: |
| 12 | %v0 = add i32 undef, -4 |
| 13 | br label %b1 |
| 14 | |
| 15 | b1: ; 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 | |
| 26 | b2: ; preds = %b1 |
| 27 | ret void |
| 28 | } |
| 29 | |
| 30 | attributes #0 = { nounwind "target-cpu"="hexagonv55" } |