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; 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.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i32, i1)
define void @func(i32 %n, ptr noalias nonnull %A, ptr 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.p0.p0.i64(ptr nonnull %A, ptr %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
|
