mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2025-04-03 05:32:24 +00:00
7fac5c8d94
as the variable address for NRVO variables. Subscribers: hiraditya, cfe-commits, llvm-commits Tags: #clang, #llvm Differential Revision: https://reviews.llvm.org/D63361 llvm-svn: 363952
29 lines
866 B
C++
29 lines
866 B
C++
// RUN: %clangxx -target x86_64-unknown-unknown -g %s -emit-llvm -S -o - | FileCheck %s
|
|
// RUN: %clangxx -target x86_64-unknown-unknown -g -fno-elide-constructors %s -emit-llvm -S -o - | FileCheck %s -check-prefix=NOELIDE
|
|
struct Foo {
|
|
Foo() = default;
|
|
Foo(Foo &&other) { x = other.x; }
|
|
int x;
|
|
};
|
|
void some_function(int);
|
|
Foo getFoo() {
|
|
Foo foo;
|
|
foo.x = 41;
|
|
some_function(foo.x);
|
|
return foo;
|
|
}
|
|
|
|
int main() {
|
|
Foo bar = getFoo();
|
|
return bar.x;
|
|
}
|
|
|
|
// Check that NRVO variables are stored as a pointer with deref if they are
|
|
// stored in the return register.
|
|
|
|
// CHECK: %result.ptr = alloca i8*, align 8
|
|
// CHECK: call void @llvm.dbg.declare(metadata i8** %result.ptr,
|
|
// CHECK-SAME: metadata !DIExpression(DW_OP_deref)
|
|
// NOELIDE: call void @llvm.dbg.declare(metadata %struct.Foo* %foo,
|
|
// NOELIDE-SAME: metadata !DIExpression()
|