1 ; Test to make sure loop vectorizer metadata is automatically upgraded. 2 ; 3 ; RUN: llvm-dis < %s.bc | FileCheck %s 4 ; RUN: verify-uselistorder < %s.bc 5 6 define void @_Z28loop_with_vectorize_metadatav() { 7 entry: 8 %i = alloca i32, align 4 9 store i32 0, i32* %i, align 4 10 br label %for.cond 11 12 for.cond: ; preds = %for.inc, %entry 13 %0 = load i32, i32* %i, align 4 14 %cmp = icmp slt i32 %0, 16 15 br i1 %cmp, label %for.body, label %for.end, !llvm.loop !1 16 17 for.body: ; preds = %for.cond 18 br label %for.inc 19 20 for.inc: ; preds = %for.body 21 %1 = load i32, i32* %i, align 4 22 %inc = add nsw i32 %1, 1 23 store i32 %inc, i32* %i, align 4 24 br label %for.cond 25 26 for.end: ; preds = %for.cond 27 ret void 28 } 29 30 ; CHECK: !{!"llvm.loop.interleave.count", i32 4} 31 ; CHECK: !{!"llvm.loop.vectorize.width", i32 8} 32 ; CHECK: !{!"llvm.loop.vectorize.enable", i1 true} 33 34 !0 = metadata !{metadata !"clang version 3.5.0 (trunk 211528)"} 35 !1 = metadata !{metadata !1, metadata !2, metadata !3, metadata !4, metadata !4} 36 !2 = metadata !{metadata !"llvm.vectorizer.unroll", i32 4} 37 !3 = metadata !{metadata !"llvm.vectorizer.width", i32 8} 38 !4 = metadata !{metadata !"llvm.vectorizer.enable", i1 true} 39
