1 ; RUN: llc -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s 2 ; 3 ; Generate loop1 instruction for double loop sequence. 4 5 ; CHECK: loop0(.LBB{{.}}_{{.}}, #100) 6 ; CHECK: endloop0 7 ; CHECK: loop1(.LBB{{.}}_{{.}}, #100) 8 ; CHECK: loop0(.LBB{{.}}_{{.}}, #100) 9 ; CHECK: endloop0 10 ; CHECK: endloop1 11 12 define i32 @main() #0 { 13 entry: 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 22 br label %for.body 23 24 for.body: 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 33 34 for.cond7.preheader.preheader: 35 br label %for.cond7.preheader 36 37 for.body.for.body_crit_edge: 38 %.pre = load i32, i32* %arrayidx2.inc, align 4 39 %phitmp = add i32 %i.030, 1 40 br label %for.body 41 42 for.cond7.preheader: 43 %i.129 = phi i32 [ %inc16, %for.inc15 ], [ 0, %for.cond7.preheader.preheader ] 44 br label %for.body9 45 46 for.body9: 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 53 54 for.inc15: 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 58 59 for.end17: 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 63 ret i32 %3 64 } 65 66 declare void @llvm.lifetime.start(i64, i8* nocapture) #1 67 68 declare void @llvm.lifetime.end(i64, i8* nocapture) #1 69
