1 ; RUN: llc -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s
3 ; Generate loop1 instruction for double loop sequence.
5 ; CHECK: loop0(.LBB{{.}}_{{.}}, #100)
7 ; CHECK: loop1(.LBB{{.}}_{{.}}, #100)
8 ; CHECK: loop0(.LBB{{.}}_{{.}}, #100)
12 define i32 @main() #0 {
14 %array = alloca [100 x i32], align 8
15 %doublearray = alloca [100 x [100 x i32]], align 8
16 %0 = bitcast [100 x i32]* %array to i8*
17 call void @llvm.lifetime.start(i64 400, i8* %0) #1
18 %1 = bitcast [100 x [100 x i32]]* %doublearray to i8*
19 call void @llvm.lifetime.start(i64 40000, i8* %1) #1
20 %arrayidx1 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %doublearray, i32 0, i32 10, i32 10
21 %arrayidx2.gep = getelementptr [100 x i32], [100 x i32]* %array, i32 0, i32 0
25 %2 = phi i32 [ undef, %entry ], [ %.pre, %for.body.for.body_crit_edge ]
26 %sum.031 = phi i32 [ undef, %entry ], [ %add, %for.body.for.body_crit_edge ]
27 %arrayidx2.phi = phi i32* [ %arrayidx2.gep, %entry ], [ %arrayidx2.inc, %for.body.for.body_crit_edge ]
28 %i.030 = phi i32 [ 1, %entry ], [ %phitmp, %for.body.for.body_crit_edge ]
29 %add = add nsw i32 %2, %sum.031
30 %exitcond33 = icmp eq i32 %i.030, 100
31 %arrayidx2.inc = getelementptr i32, i32* %arrayidx2.phi, i32 1
32 br i1 %exitcond33, label %for.cond7.preheader.preheader, label %for.body.for.body_crit_edge
34 for.cond7.preheader.preheader:
35 br label %for.cond7.preheader
37 for.body.for.body_crit_edge:
38 %.pre = load i32, i32* %arrayidx2.inc, align 4
39 %phitmp = add i32 %i.030, 1
43 %i.129 = phi i32 [ %inc16, %for.inc15 ], [ 0, %for.cond7.preheader.preheader ]
47 %j.028 = phi i32 [ 0, %for.cond7.preheader ], [ %inc13, %for.body9 ]
48 %arrayidx11 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %doublearray, i32 0, i32 %i.129, i32 %j.028
49 store i32 %add, i32* %arrayidx11, align 4
50 %inc13 = add nsw i32 %j.028, 1
51 %exitcond = icmp eq i32 %inc13, 100
52 br i1 %exitcond, label %for.inc15, label %for.body9
55 %inc16 = add nsw i32 %i.129, 1
56 %exitcond32 = icmp eq i32 %inc16, 100
57 br i1 %exitcond32, label %for.end17, label %for.cond7.preheader
60 %3 = load i32, i32* %arrayidx1, align 8
61 call void @llvm.lifetime.end(i64 40000, i8* %1) #1
62 call void @llvm.lifetime.end(i64 400, i8* %0) #1
66 declare void @llvm.lifetime.start(i64, i8* nocapture) #1
68 declare void @llvm.lifetime.end(i64, i8* nocapture) #1