| ; RUN: opt -passes=loop-unroll -unroll-count=2 -S < %s | FileCheck %s | |
| ; | |
| ; Check that the llvm.loop.unroll.enable loop property overrides | |
| ; llvm.loop.disable_nonforced. | |
| ; | |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" | |
| ; CHECK-LABEL: @disable_nonforced_enable( | |
| ; CHECK: store | |
| ; CHECK: store | |
| ; CHECK-NOT: store | |
| define void @disable_nonforced_enable(ptr nocapture %a) { | |
| entry: | |
| br label %for.body | |
| for.body: | |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] | |
| %arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv | |
| %0 = load i32, ptr %arrayidx, align 4 | |
| %inc = add nsw i32 %0, 1 | |
| store i32 %inc, ptr %arrayidx, align 4 | |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 | |
| %exitcond = icmp eq i64 %indvars.iv.next, 64 | |
| br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 | |
| for.end: | |
| ret void | |
| } | |
| !0 = !{!0, !{!"llvm.loop.disable_nonforced"}, !{!"llvm.loop.unroll.enable"}} |