; RUN: opt < %s -loop-unroll -unroll-count=2 -S | FileCheck %s ; LoopUnroll should unroll this loop into one big basic block. ; CHECK: for.body: ; CHECK: %i.013 = phi i64 [ 0, %entry ], [ %tmp16.1, %for.body ] ; CHECK: br i1 %exitcond.1, label %for.end, label %for.body define void @foo(double* nocapture %p, i64 %n) nounwind { entry: %mul10 = shl i64 %n, 1 ; <i64> [#uses=2] br label %for.body for.body: ; preds = %entry, %for.body %i.013 = phi i64 [ %tmp16, %for.body ], [ 0, %entry ] ; <i64> [#uses=2] %arrayidx7 = getelementptr double* %p, i64 %i.013 ; <double*> [#uses=2] %tmp16 = add i64 %i.013, 1 ; <i64> [#uses=3] %arrayidx = getelementptr double* %p, i64 %tmp16 ; <double*> [#uses=1] %tmp4 = load double* %arrayidx ; <double> [#uses=1] %tmp8 = load double* %arrayidx7 ; <double> [#uses=1] %mul9 = fmul double %tmp8, %tmp4 ; <double> [#uses=1] store double %mul9, double* %arrayidx7 %exitcond = icmp eq i64 %tmp16, %mul10 ; <i1> [#uses=1] br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body, %entry ret void }