; RUN: opt -passes='loop-unroll-full' -disable-verify -disable-loop-unrolling=true --mtriple x86_64-pc-linux-gnu -S -o - %s | FileCheck %s ; This checks that the loop full unroller will fire in the new pass manager ; when forced via #pragma in the source (or annotation in the code). ; Completely unroll the inner loop ; CHECK-LABEL: @foo ; CHECK: br i1 ; CHECK-NOT: br i1 ; Function Attrs: noinline nounwind optnone uwtable define void @foo() local_unnamed_addr #0 { bb: %tmp = alloca [5 x i32*], align 16 br label %bb7.preheader bb3.loopexit: ; preds = %bb10 %spec.select.lcssa = phi i32 [ %spec.select, %bb10 ] %tmp5.not = icmp eq i32 %spec.select.lcssa, 0 br i1 %tmp5.not, label %bb24, label %bb7.preheader bb7.preheader: ; preds = %bb3.loopexit, %bb %tmp1.06 = phi i32 [ 5, %bb ], [ %spec.select.lcssa, %bb3.loopexit ] br label %bb10 bb10: ; preds = %bb10, %bb7.preheader %indvars.iv = phi i64 [ 0, %bb7.preheader ], [ %indvars.iv.next, %bb10 ] %tmp1.14 = phi i32 [ %tmp1.06, %bb7.preheader ], [ %spec.select, %bb10 ] %tmp13 = getelementptr inbounds [5 x i32*], [5 x i32*]* %tmp, i64 0, i64 %indvars.iv %tmp14 = load i32*, i32** %tmp13, align 8 %tmp15.not = icmp ne i32* %tmp14, null %tmp18 = sext i1 %tmp15.not to i32 %spec.select = add nsw i32 %tmp1.14, %tmp18 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %exitcond.not = icmp eq i64 %indvars.iv.next, 5 br i1 %exitcond.not, label %bb3.loopexit, label %bb10, !llvm.loop !1 bb24: ; preds = %bb3.loopexit ret void } attributes #0 = { nounwind uwtable } !llvm.module.flags = !{!0} !0 = !{i32 1, !"wchar_size", i32 4} !1 = distinct !{!1, !2} !2 = !{!"llvm.loop.unroll.full"}