| ; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s |
| ; |
| ; Verify that @llvm.memcpy does not get a !alias.scope annotation. |
| ; @llvm.memcpy takes two pointers, it is ambiguous to which the |
| ; annotation applies. |
| ; |
| ; for (int j = 0; j < n; j += 1) { |
| ; memcpy(A, B, 8); |
| ; } |
| ; |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1) |
| |
| define void @func(i32 %n, i8* noalias nonnull %A, i8* noalias nonnull %B) { |
| entry: |
| br label %for |
| |
| for: |
| %j = phi i32 [0, %entry], [%j.inc, %inc] |
| %j.cmp = icmp slt i32 %j, %n |
| br i1 %j.cmp, label %body, label %exit |
| |
| body: |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull %A, i8* %B, i64 8, i32 4, i1 false) |
| br label %inc |
| |
| inc: |
| %j.inc = add nuw nsw i32 %j, 1 |
| br label %for |
| |
| exit: |
| br label %return |
| |
| return: |
| ret void |
| } |
| |
| |
| ; CHECK-LABEL: polly.start: |
| ; CHECK: call void @llvm.memcpy |
| ; CHECK-NOT: !alias.scope |
