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// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
struct x { int a[100]; };
void foo(struct x *P, struct x *Q) {
// CHECK-LABEL: @foo(
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
*P = *Q;
}
// CHECK: declare void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i64, i1 immarg)
void bar(struct x *P, struct x *Q) {
// CHECK-LABEL: @bar(
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
__builtin_memcpy(P, Q, sizeof(struct x));
}
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