1 ; RUN: opt -passes=loop-unroll -unroll-count=2 -S < %s | FileCheck %s
3 ; Check that the llvm.loop.unroll.enable loop property overrides
4 ; llvm.loop.disable_nonforced.
6 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
8 ; CHECK-LABEL: @disable_nonforced_enable(
12 define void @disable_nonforced_enable(ptr nocapture %a) {
17 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
18 %arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv
19 %0 = load i32, ptr %arrayidx, align 4
20 %inc = add nsw i32 %0, 1
21 store i32 %inc, ptr %arrayidx, align 4
22 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
23 %exitcond = icmp eq i64 %indvars.iv.next, 64
24 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0
30 !0 = !{!0, !{!"llvm.loop.disable_nonforced"}, !{!"llvm.loop.unroll.enable"}}