1 ; RUN: opt < %s -S -loop-unroll -unroll-allow-partial | FileCheck %s
2 ; Loop size = 3, when the function has the optsize attribute, the
3 ; OptSizeUnrollThreshold, i.e. 50, is used, hence the loop should be unrolled
4 ; by 32 times because (1 * 32) + 2 < 50 (whereas (1 * 64 + 2) is not).
5 define void @unroll_opt_for_size() nounwind optsize {
10 %iv = phi i32 [ 0, %entry ], [ %inc, %loop ]
12 %exitcnd = icmp uge i32 %inc, 1024
13 br i1 %exitcnd, label %exit, label %loop