1; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s 2; 3; Verify that @llvm.memcpy does not get a !alias.scope annotation. 4; @llvm.memcpy takes two pointers, it is ambiguous to which the 5; annotation applies. 6; 7; for (int j = 0; j < n; j += 1) { 8; memcpy(A, B, 8); 9; } 10; 11 12declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1) 13 14define void @func(i32 %n, i8* noalias nonnull %A, i8* noalias nonnull %B) { 15entry: 16 br label %for 17 18for: 19 %j = phi i32 [0, %entry], [%j.inc, %inc] 20 %j.cmp = icmp slt i32 %j, %n 21 br i1 %j.cmp, label %body, label %exit 22 23 body: 24 call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull %A, i8* %B, i64 8, i32 4, i1 false) 25 br label %inc 26 27inc: 28 %j.inc = add nuw nsw i32 %j, 1 29 br label %for 30 31exit: 32 br label %return 33 34return: 35 ret void 36} 37 38 39; CHECK-LABEL: polly.start: 40; CHECK: call void @llvm.memcpy 41; CHECK-NOT: !alias.scope 42