clang/test/CodeGen/pass-by-value-noalias.c

   1 // RUN: %clang_cc1 -fpass-by-value-is-noalias -triple arm64-apple-iphoneos -emit-llvm -disable-llvm-optzns %s -o - 2>&1 | FileCheck --check-prefix=WITH_NOALIAS %s
   2 // RUN: %clang_cc1 -triple arm64-apple-iphoneos -emit-llvm -disable-llvm-optzns %s -o - 2>&1 | FileCheck --check-prefix=NO_NOALIAS %s
   3
   4 // A struct large enough so it is not passed in registers on ARM64.
   5 struct Foo {
   6   int a;
   7   int b;
   8   int c;
   9   int d;
  10   int e;
  11   int f;
  12 };
  13
  14 // WITH_NOALIAS: define{{.*}} void @take(ptr noalias noundef %arg)
  15 // NO_NOALIAS: define{{.*}} void @take(ptr noundef %arg)
  16 void take(struct Foo arg) {}