1 ; RUN: llc -march=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 10 define i32 @main() #0 { 11 entry: 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 20 br label %for.body 21 22 for.body: 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 31 32 for.cond7.preheader.preheader: 33 br label %for.cond7.preheader 34 35 for.body.for.body_crit_edge: 36 %.pre = load i32, i32* %arrayidx2.inc, align 4 37 %phitmp = add i32 %i.030, 1 38 br label %for.body 39 40 for.cond7.preheader: 41 %i.129 = phi i32 [ %inc16, %for.inc15 ], [ 0, %for.cond7.preheader.preheader ] 42 br label %for.body9 43 44 for.body9: 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 51 52 for.inc15: 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 56 57 for.end17: 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 61 ret i32 %3 62 } 63 64 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1 65 66 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1 67
