// RUN: %clangxx -target x86_64-unknown-unknown -g \ // RUN: %s -emit-llvm -S -o - | FileCheck %s // RUN: %clangxx -target x86_64-unknown-unknown -g \ // RUN: -fno-elide-constructors %s -emit-llvm -S -o - | \ // RUN: 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:.*]] = alloca i8*, align 8 // CHECK: call void @llvm.dbg.declare(metadata i8** %[[RESULT]], // CHECK-SAME: metadata !DIExpression(DW_OP_deref) // NOELIDE: %[[FOO:.*]] = alloca %struct.Foo, align 4 // NOELIDE: call void @llvm.dbg.declare(metadata %struct.Foo* %[[FOO]], // NOELIDE-SAME: metadata !DIExpression()