1 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner=0 < %s | FileCheck %s
3 ; Generate loop1 instruction for double loop sequence.
5 ; CHECK: loop1(.LBB{{.}}_{{.}},#100)
6 ; CHECK: loop0(.LBB{{.}}_{{.}},#100)
10 define i32 @main() #0 {
12 %array = alloca [100 x i32], align 8
13 %doublearray = alloca [100 x [100 x i32]], align 8
14 %0 = bitcast [100 x i32]* %array to i8*
15 call void @llvm.lifetime.start.p0i8(i64 400, i8* %0) #1
16 %1 = bitcast [100 x [100 x i32]]* %doublearray to i8*
17 call void @llvm.lifetime.start.p0i8(i64 40000, i8* %1) #1
18 %arrayidx1 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %doublearray, i32 0, i32 10, i32 10
19 %arrayidx2.gep = getelementptr [100 x i32], [100 x i32]* %array, i32 0, i32 0
23 %2 = phi i32 [ undef, %entry ], [ %.pre, %for.body.for.body_crit_edge ]
24 %sum.031 = phi i32 [ undef, %entry ], [ %add, %for.body.for.body_crit_edge ]
25 %arrayidx2.phi = phi i32* [ %arrayidx2.gep, %entry ], [ %arrayidx2.inc, %for.body.for.body_crit_edge ]
26 %i.030 = phi i32 [ 1, %entry ], [ %phitmp, %for.body.for.body_crit_edge ]
27 %add = add nsw i32 %2, %sum.031
28 %exitcond33 = icmp eq i32 %i.030, 100
29 %arrayidx2.inc = getelementptr i32, i32* %arrayidx2.phi, i32 1
30 br i1 %exitcond33, label %for.cond7.preheader.preheader, label %for.body.for.body_crit_edge
32 for.cond7.preheader.preheader:
33 br label %for.cond7.preheader
35 for.body.for.body_crit_edge:
36 %.pre = load i32, i32* %arrayidx2.inc, align 4
37 %phitmp = add i32 %i.030, 1
41 %i.129 = phi i32 [ %inc16, %for.inc15 ], [ 0, %for.cond7.preheader.preheader ]
45 %j.028 = phi i32 [ 0, %for.cond7.preheader ], [ %inc13, %for.body9 ]
46 %arrayidx11 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %doublearray, i32 0, i32 %i.129, i32 %j.028
47 store i32 %add, i32* %arrayidx11, align 4
48 %inc13 = add nsw i32 %j.028, 1
49 %exitcond = icmp eq i32 %inc13, 100
50 br i1 %exitcond, label %for.inc15, label %for.body9
53 %inc16 = add nsw i32 %i.129, 1
54 %exitcond32 = icmp eq i32 %inc16, 100
55 br i1 %exitcond32, label %for.end17, label %for.cond7.preheader
58 %3 = load i32, i32* %arrayidx1, align 8
59 call void @llvm.lifetime.end.p0i8(i64 40000, i8* %1) #1
60 call void @llvm.lifetime.end.p0i8(i64 400, i8* %0) #1
64 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
66 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1