1 ; RUN: opt < %s -S -passes=loop-unroll -unroll-count=2 | FileCheck %s
2 ; Checks that "llvm.loop.unroll.disable" is set when
3 ; unroll with count set by user has been applied.
6 ; CHECK: llvm.loop.unroll.disable
8 define void @foo(ptr nocapture %a) {
12 for.body: ; preds = %for.body, %entry
13 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
14 %arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv
15 %0 = load i32, ptr %arrayidx, align 4
16 %inc = add nsw i32 %0, 1
17 store i32 %inc, ptr %arrayidx, align 4
18 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
19 %exitcond = icmp eq i64 %indvars.iv.next, 64
20 br i1 %exitcond, label %for.end, label %for.body
22 for.end: ; preds = %for.body