1; RUN: llc -mtriple=hexagon -mcpu=hexagonv5 -enable-pipeliner=0 < %s | FileCheck %s 2; 3; Generate loop1 instruction for double loop sequence. 4 5; CHECK: loop1(.LBB{{.}}_{{.}},#100) 6; CHECK: loop0(.LBB{{.}}_{{.}},#100) 7; CHECK: endloop0 8; CHECK: endloop1 9 10define i32 @main() #0 { 11entry: 12 %array = alloca [100 x i32], align 8 13 %doublearray = alloca [100 x [100 x i32]], align 8 14 call void @llvm.lifetime.start.p0(i64 400, ptr %array) #1 15 call void @llvm.lifetime.start.p0(i64 40000, ptr %doublearray) #1 16 %arrayidx1 = getelementptr inbounds [100 x [100 x i32]], ptr %doublearray, i32 0, i32 10, i32 10 17 br label %for.body 18 19for.body: 20 %0 = phi i32 [ undef, %entry ], [ %.pre, %for.body.for.body_crit_edge ] 21 %sum.031 = phi i32 [ undef, %entry ], [ %add, %for.body.for.body_crit_edge ] 22 %arrayidx2.phi = phi ptr [ %array, %entry ], [ %arrayidx2.inc, %for.body.for.body_crit_edge ] 23 %i.030 = phi i32 [ 1, %entry ], [ %phitmp, %for.body.for.body_crit_edge ] 24 %add = add nsw i32 %0, %sum.031 25 %exitcond33 = icmp eq i32 %i.030, 100 26 %arrayidx2.inc = getelementptr i32, ptr %arrayidx2.phi, i32 1 27 br i1 %exitcond33, label %for.cond7.preheader.preheader, label %for.body.for.body_crit_edge 28 29for.cond7.preheader.preheader: 30 br label %for.cond7.preheader 31 32for.body.for.body_crit_edge: 33 %.pre = load i32, ptr %arrayidx2.inc, align 4 34 %phitmp = add i32 %i.030, 1 35 br label %for.body 36 37for.cond7.preheader: 38 %i.129 = phi i32 [ %inc16, %for.inc15 ], [ 0, %for.cond7.preheader.preheader ] 39 br label %for.body9 40 41for.body9: 42 %j.028 = phi i32 [ 0, %for.cond7.preheader ], [ %inc13, %for.body9 ] 43 %arrayidx11 = getelementptr inbounds [100 x [100 x i32]], ptr %doublearray, i32 0, i32 %i.129, i32 %j.028 44 store i32 %add, ptr %arrayidx11, align 4 45 %inc13 = add nsw i32 %j.028, 1 46 %exitcond = icmp eq i32 %inc13, 100 47 br i1 %exitcond, label %for.inc15, label %for.body9 48 49for.inc15: 50 %inc16 = add nsw i32 %i.129, 1 51 %exitcond32 = icmp eq i32 %inc16, 100 52 br i1 %exitcond32, label %for.end17, label %for.cond7.preheader 53 54for.end17: 55 %1 = load i32, ptr %arrayidx1, align 8 56 call void @llvm.lifetime.end.p0(i64 40000, ptr %doublearray) #1 57 call void @llvm.lifetime.end.p0(i64 400, ptr %array) #1 58 ret i32 %1 59} 60 61declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1 62 63declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #1 64