1 ; RUN: llc -O2 -march=hexagon < %s | FileCheck %s
2 ; Rely on the comments generated by llc. Make sure there are no add/addasl
3 ; instructions in while.body13 (before the loads).
8 %struct.1 = type { i32, i32 }
9 %struct.2 = type { [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [24 x i32], [3 x i32], [24 x i32], [8 x %struct.1], [5 x i32] }
11 @A1 = global i64 zeroinitializer
12 @A2 = global i64 zeroinitializer
13 @B1 = global i32 zeroinitializer
14 @B2 = global i32 zeroinitializer
15 @C1 = global i8 zeroinitializer
17 declare i32 @llvm.hexagon.S2.cl0(i32) nounwind readnone
18 declare i32 @llvm.hexagon.S2.setbit.r(i32, i32) nounwind readnone
19 declare i64 @llvm.hexagon.M2.vmpy2s.s0(i32, i32) nounwind readnone
20 declare i64 @llvm.hexagon.M2.vmac2s.s0(i64, i32, i32) nounwind readnone
21 declare i64 @llvm.hexagon.A2.vaddws(i64, i64) nounwind readnone
22 declare i64 @llvm.hexagon.A2.vsubws(i64, i64) nounwind readnone
23 declare i32 @llvm.hexagon.A4.modwrapu(i32, i32) nounwind readnone
25 define void @foo(i32 %n) nounwind {
30 %count = phi i32 [ 0, %entry ], [ %next, %while.end ]
31 %idx = phi i32 [ 0, %entry ], [ %15, %while.end ]
32 %0 = load i32, ptr @B1, align 4
33 %1 = load i32, ptr @B2, align 8
35 br label %while.body13
37 while.body13: ; preds = %while.body, %if.end
38 %3 = phi i64 [ %13, %if.end ], [ 0, %while.body ]
39 %4 = phi i64 [ %14, %if.end ], [ 0, %while.body ]
40 %m = phi i32 [ %6, %if.end ], [ %2, %while.body ]
41 %5 = tail call i32 @llvm.hexagon.S2.cl0(i32 %m)
42 %6 = tail call i32 @llvm.hexagon.S2.setbit.r(i32 %m, i32 %5)
43 %cgep85 = getelementptr [10 x %struct.2], ptr inttoptr (i32 -121502345 to ptr), i32 0, i32 %idx
44 %cgep90 = getelementptr %struct.2, ptr %cgep85, i32 0, i32 12, i32 %5
45 %7 = load i32, ptr %cgep90, align 4
46 %8 = tail call i64 @llvm.hexagon.M2.vmpy2s.s0(i32 %7, i32 %7)
47 %cgep91 = getelementptr %struct.2, ptr %cgep85, i32 0, i32 13, i32 %5
48 %9 = load i32, ptr %cgep91, align 4
49 %10 = tail call i64 @llvm.hexagon.M2.vmac2s.s0(i64 %8, i32 %9, i32 %9)
50 %11 = load i8, ptr @C1, align 1
51 %and24 = and i8 %11, 1
52 %cmp = icmp eq i8 %and24, 0
53 br i1 %cmp, label %if.then, label %if.end
55 if.then: ; preds = %while.body13
56 %12 = tail call i64 @llvm.hexagon.A2.vaddws(i64 %3, i64 %10)
57 store i64 %12, ptr @A1, align 8
60 if.end: ; preds = %if.then, %while.body13
61 %13 = phi i64 [ %12, %if.then ], [ %3, %while.body13 ]
62 %14 = tail call i64 @llvm.hexagon.A2.vsubws(i64 %4, i64 %10)
63 %tobool12 = icmp eq i32 %6, 0
64 br i1 %tobool12, label %while.end, label %while.body13
67 %add40 = add i32 %idx, 1
68 %15 = tail call i32 @llvm.hexagon.A4.modwrapu(i32 %add40, i32 10) nounwind
69 %next = add i32 %count, 1
70 %cc = icmp eq i32 %next, %n
71 br i1 %cc, label %end, label %while.body
74 store i64 %10, ptr @A2, align 8