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ir-gen for generating copying of scalar data members in 

a synthesized copy constructor.

llvm-svn: 78580
This commit is contained in:
Fariborz Jahanian 2009-08-10 18:34:26 +00:00
parent 850e0f9e7e
commit 7cc52cf09f
2 changed files with 16 additions and 3 deletions
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6
clang/lib/CodeGen/CGCXX.cpp
View File

@ -855,7 +855,11 @@ void CodeGenFunction::SynthesizeCXXCopyConstructor(const CXXConstructorDecl *CD,
0 /*ClassDecl*/, FieldClassDecl, FieldType);
continue;
}
// FIXME. Do a built-in assignment of scalar data members.
// Do a built-in assignment of scalar data members.
LValue LHS = EmitLValueForField(LoadOfThis, *Field, false, 0);
LValue RHS = EmitLValueForField(LoadOfSrc, *Field, false, 0);
RValue RVRHS = EmitLoadOfLValue(RHS, FieldType);
EmitStoreThroughLValue(RVRHS, LHS, FieldType);
}
FinishFunction();
}

13
clang/test/CodeGenCXX/copy-constructor-synthesis.cpp
View File

@ -26,12 +26,21 @@ struct P {
struct X : M, N, P { // ...
X(){}
X() : f1(1.0), d1(2.0), i1(3), name("HELLO"), bf1(0xff), bf2(0xabcd) {}
P p0;
void pr() { printf("iM = %d iN = %d, m1.iM = %d\n", iM, iN, m1.iM);
printf("im = %d p0.iP = %d, p1.iP = %d\n", iP, p0.iP, p1.iP); }
printf("im = %d p0.iP = %d, p1.iP = %d\n", iP, p0.iP, p1.iP);
printf("f1 = %f d1 = %f i1 = %d name(%s) \n", f1, d1, i1, name);
printf("bf1 = %x bf2 = %x\n", bf1, bf2);
}
M m1;
P p1;
float f1;
double d1;
int i1;
const char *name;
unsigned bf1 : 8;
unsigned bf2 : 16;
};
int main()