1 ; RUN: llc -march=hexagon < %s | FileCheck %s
2 ; CHECK: r{{[0-9]+}}:{{[0-9]+}} ^= pmpyw(r{{[0-9]+}},r{{[0-9]+}})
4 ; Function Attrs: nounwind
5 define i32 @f0(i32 %a0, i32 %a1, i32 %a2, i32 %a3) #0 {
7 %v0 = alloca i32, align 4
8 %v1 = alloca i32, align 4
9 %v2 = alloca i32, align 4
10 %v3 = alloca i32, align 4
11 %v4 = alloca i64, align 8
12 %v5 = alloca i64, align 8
13 store i32 %a0, ptr %v0, align 4
14 store i32 %a1, ptr %v1, align 4
15 store i32 %a2, ptr %v2, align 4
16 store i32 %a3, ptr %v3, align 4
17 %v6 = load i32, ptr %v0, align 4
18 %v7 = load i32, ptr %v1, align 4
19 %v8 = call i64 @llvm.hexagon.M4.pmpyw(i32 %v6, i32 %v7)
20 store i64 %v8, ptr %v5, align 8
21 %v9 = load i64, ptr %v5, align 8
22 store i64 %v9, ptr %v4, align 8
23 %v10 = load i64, ptr %v5, align 8
24 %v11 = load i32, ptr %v3, align 4
25 %v12 = load i64, ptr %v5, align 8
26 %v13 = lshr i64 %v12, 32
27 %v14 = trunc i64 %v13 to i32
28 %v15 = call i64 @llvm.hexagon.M4.pmpyw.acc(i64 %v10, i32 %v11, i32 %v14)
29 store i64 %v15, ptr %v5, align 8
30 %v16 = load i64, ptr %v4, align 8
31 %v17 = load i64, ptr %v5, align 8
32 %v18 = lshr i64 %v17, 32
33 %v19 = trunc i64 %v18 to i32
34 %v20 = load i32, ptr %v2, align 4
35 %v21 = call i64 @llvm.hexagon.M4.pmpyw.acc(i64 %v16, i32 %v19, i32 %v20)
36 store i64 %v21, ptr %v4, align 8
37 %v22 = load i64, ptr %v4, align 8
38 %v23 = trunc i64 %v22 to i32
42 ; Function Attrs: nounwind readnone
43 declare i64 @llvm.hexagon.M4.pmpyw(i32, i32) #1
45 ; Function Attrs: nounwind readnone
46 declare i64 @llvm.hexagon.M4.pmpyw.acc(i64, i32, i32) #1
48 attributes #0 = { nounwind }
49 attributes #1 = { nounwind readnone }