1; RUN: llc -disable-lsr -march=hexagon -enable-pipeliner \ 2; RUN: -debug-only=pipeliner < %s 2>&1 > /dev/null -pipeliner-experimental-cg=true | FileCheck %s 3; REQUIRES: asserts 4; 5; Test that checks if pipeliner disabled by pragma 6 7; CHECK: Can not pipeline loop 8 9; Function Attrs: nounwind 10define void @f0(i32* nocapture %a0, i32 %a1) #0 { 11b0: 12 %v0 = icmp sgt i32 %a1, 1 13 br i1 %v0, label %b1, label %b4 14 15b1: ; preds = %b0 16 %v1 = load i32, i32* %a0, align 4 17 %v2 = add i32 %v1, 10 18 %v3 = getelementptr i32, i32* %a0, i32 1 19 %v4 = add i32 %a1, -1 20 br label %b2 21 22b2: ; preds = %b2, %b1 23 %v5 = phi i32 [ %v12, %b2 ], [ %v4, %b1 ] 24 %v6 = phi i32* [ %v11, %b2 ], [ %v3, %b1 ] 25 %v7 = phi i32 [ %v10, %b2 ], [ %v2, %b1 ] 26 store i32 %v7, i32* %v6, align 4 27 %v8 = add i32 %v7, 10 28 %v9 = getelementptr i32, i32* %v6, i32 -1 29 store i32 %v8, i32* %v9, align 4 30 %v10 = add i32 %v7, 10 31 %v11 = getelementptr i32, i32* %v6, i32 1 32 %v12 = add i32 %v5, -1 33 %v13 = icmp eq i32 %v12, 0 34 br i1 %v13, label %b3, label %b2 35 36b3: ; preds = %b2 37 br label %b4 , !llvm.loop !2 38 39b4: ; preds = %b3, %b0 40 ret void 41} 42 43attributes #0 = { nounwind } 44 45!0 = !{i32 1, !"wchar_size", i32 4} 46!1 = !{!2, !2, i64 0} 47!2 = distinct !{!2, !3} 48!3 = !{!"llvm.loop.pipeline.disable", i1 true} 49 50