| Krzysztof Parzyszek | 9eb75c4 | 2017-06-30 21:21:40 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon < %s | FileCheck %s |
| 2 | |
| 3 | target triple = "hexagon" |
| 4 | |
| 5 | ; FP elimination enabled. |
| 6 | ; |
| 7 | ; CHECK-LABEL: danny: |
| 8 | ; CHECK: r29 = add(r29,#-[[SIZE:[0-9]+]]) |
| 9 | ; CHECK: r29 = add(r29,#[[SIZE]]) |
| 10 | define i32 @danny(i32 %a0, i32 %a1) local_unnamed_addr #0 { |
| 11 | b2: |
| 12 | %v3 = alloca [32 x i32], align 8 |
| 13 | %v4 = bitcast [32 x i32]* %v3 to i8* |
| 14 | call void @llvm.lifetime.start.p0i8(i64 128, i8* nonnull %v4) #3 |
| 15 | br label %b5 |
| 16 | |
| 17 | b5: ; preds = %b5, %b2 |
| 18 | %v6 = phi i32 [ 0, %b2 ], [ %v8, %b5 ] |
| 19 | %v7 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %v6 |
| 20 | store i32 %v6, i32* %v7, align 4 |
| 21 | %v8 = add nuw nsw i32 %v6, 1 |
| 22 | %v9 = icmp eq i32 %v8, 32 |
| 23 | br i1 %v9, label %b10, label %b5 |
| 24 | |
| 25 | b10: ; preds = %b5 |
| 26 | %v11 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %a0 |
| 27 | store i32 %a1, i32* %v11, align 4 |
| 28 | br label %b12 |
| 29 | |
| 30 | b12: ; preds = %b12, %b10 |
| 31 | %v13 = phi i32 [ 0, %b10 ], [ %v18, %b12 ] |
| 32 | %v14 = phi i32 [ 0, %b10 ], [ %v17, %b12 ] |
| 33 | %v15 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %v13 |
| 34 | %v16 = load i32, i32* %v15, align 4 |
| 35 | %v17 = add nsw i32 %v16, %v14 |
| 36 | %v18 = add nuw nsw i32 %v13, 1 |
| 37 | %v19 = icmp eq i32 %v18, 32 |
| 38 | br i1 %v19, label %b20, label %b12 |
| 39 | |
| 40 | b20: ; preds = %b12 |
| 41 | call void @llvm.lifetime.end.p0i8(i64 128, i8* nonnull %v4) #3 |
| 42 | ret i32 %v17 |
| 43 | } |
| 44 | |
| 45 | ; FP elimination disabled. |
| 46 | ; |
| 47 | ; CHECK-LABEL: sammy: |
| 48 | ; CHECK: allocframe |
| 49 | ; CHECK: dealloc_return |
| 50 | define i32 @sammy(i32 %a0, i32 %a1) local_unnamed_addr #1 { |
| 51 | b2: |
| 52 | %v3 = alloca [32 x i32], align 8 |
| 53 | %v4 = bitcast [32 x i32]* %v3 to i8* |
| 54 | call void @llvm.lifetime.start.p0i8(i64 128, i8* nonnull %v4) #3 |
| 55 | br label %b5 |
| 56 | |
| 57 | b5: ; preds = %b5, %b2 |
| 58 | %v6 = phi i32 [ 0, %b2 ], [ %v8, %b5 ] |
| 59 | %v7 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %v6 |
| 60 | store i32 %v6, i32* %v7, align 4 |
| 61 | %v8 = add nuw nsw i32 %v6, 1 |
| 62 | %v9 = icmp eq i32 %v8, 32 |
| 63 | br i1 %v9, label %b10, label %b5 |
| 64 | |
| 65 | b10: ; preds = %b5 |
| 66 | %v11 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %a0 |
| 67 | store i32 %a1, i32* %v11, align 4 |
| 68 | br label %b12 |
| 69 | |
| 70 | b12: ; preds = %b12, %b10 |
| 71 | %v13 = phi i32 [ 0, %b10 ], [ %v18, %b12 ] |
| 72 | %v14 = phi i32 [ 0, %b10 ], [ %v17, %b12 ] |
| 73 | %v15 = getelementptr inbounds [32 x i32], [32 x i32]* %v3, i32 0, i32 %v13 |
| 74 | %v16 = load i32, i32* %v15, align 4 |
| 75 | %v17 = add nsw i32 %v16, %v14 |
| 76 | %v18 = add nuw nsw i32 %v13, 1 |
| 77 | %v19 = icmp eq i32 %v18, 32 |
| 78 | br i1 %v19, label %b20, label %b12 |
| 79 | |
| 80 | b20: ; preds = %b12 |
| 81 | call void @llvm.lifetime.end.p0i8(i64 128, i8* nonnull %v4) #3 |
| 82 | ret i32 %v17 |
| 83 | } |
| 84 | |
| 85 | declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #2 |
| 86 | declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #2 |
| 87 | |
| 88 | attributes #0 = { nounwind readnone "no-frame-pointer-elim"="false" "target-cpu"="hexagonv60" } |
| 89 | attributes #1 = { nounwind readnone "no-frame-pointer-elim"="true" "target-cpu"="hexagonv60" } |
| 90 | attributes #2 = { argmemonly nounwind } |
| 91 | attributes #3 = { nounwind } |