; RUN: llc -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s ; ; Generate loop1 instruction for double loop sequence. ; CHECK: loop0(.LBB{{.}}_{{.}}, #100) ; CHECK: endloop0 ; CHECK: loop1(.LBB{{.}}_{{.}}, #100) ; CHECK: loop0(.LBB{{.}}_{{.}}, #100) ; CHECK: endloop0 ; CHECK: endloop1 define i32 @main() #0 { entry: %array = alloca [100 x i32], align 8 %doublearray = alloca [100 x [100 x i32]], align 8 %0 = bitcast [100 x i32]* %array to i8* call void @llvm.lifetime.start(i64 400, i8* %0) #1 %1 = bitcast [100 x [100 x i32]]* %doublearray to i8* call void @llvm.lifetime.start(i64 40000, i8* %1) #1 %arrayidx1 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %doublearray, i32 0, i32 10, i32 10 %arrayidx2.gep = getelementptr [100 x i32], [100 x i32]* %array, i32 0, i32 0 br label %for.body for.body: %2 = phi i32 [ undef, %entry ], [ %.pre, %for.body.for.body_crit_edge ] %sum.031 = phi i32 [ undef, %entry ], [ %add, %for.body.for.body_crit_edge ] %arrayidx2.phi = phi i32* [ %arrayidx2.gep, %entry ], [ %arrayidx2.inc, %for.body.for.body_crit_edge ] %i.030 = phi i32 [ 1, %entry ], [ %phitmp, %for.body.for.body_crit_edge ] %add = add nsw i32 %2, %sum.031 %exitcond33 = icmp eq i32 %i.030, 100 %arrayidx2.inc = getelementptr i32, i32* %arrayidx2.phi, i32 1 br i1 %exitcond33, label %for.cond7.preheader.preheader, label %for.body.for.body_crit_edge for.cond7.preheader.preheader: br label %for.cond7.preheader for.body.for.body_crit_edge: %.pre = load i32, i32* %arrayidx2.inc, align 4 %phitmp = add i32 %i.030, 1 br label %for.body for.cond7.preheader: %i.129 = phi i32 [ %inc16, %for.inc15 ], [ 0, %for.cond7.preheader.preheader ] br label %for.body9 for.body9: %j.028 = phi i32 [ 0, %for.cond7.preheader ], [ %inc13, %for.body9 ] %arrayidx11 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* %doublearray, i32 0, i32 %i.129, i32 %j.028 store i32 %add, i32* %arrayidx11, align 4 %inc13 = add nsw i32 %j.028, 1 %exitcond = icmp eq i32 %inc13, 100 br i1 %exitcond, label %for.inc15, label %for.body9 for.inc15: %inc16 = add nsw i32 %i.129, 1 %exitcond32 = icmp eq i32 %inc16, 100 br i1 %exitcond32, label %for.end17, label %for.cond7.preheader for.end17: %3 = load i32, i32* %arrayidx1, align 8 call void @llvm.lifetime.end(i64 40000, i8* %1) #1 call void @llvm.lifetime.end(i64 400, i8* %0) #1 ret i32 %3 } declare void @llvm.lifetime.start(i64, i8* nocapture) #1 declare void @llvm.lifetime.end(i64, i8* nocapture) #1