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Handle CK_NullToMemberPointer casts in the constant expr emitter. 

llvm-svn: 79790
This commit is contained in:
Anders Carlsson 2009-08-23 00:02:11 +00:00
parent 3b0c5dcdd2
commit faeccc622f
2 changed files with 6 additions and 1 deletions
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2
clang/lib/CodeGen/CGExprConstant.cpp
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@ -414,6 +414,8 @@ public:
llvm::StructType::get(C->getType()->getContext(), Types, false);
return llvm::ConstantStruct::get(STy, Elts);
}
case CastExpr::CK_NullToMemberPointer:
return CGM.EmitNullConstant(E->getType());
default: {
// FIXME: This should be handled by the CK_NoOp cast kind.
// Explicit and implicit no-op casts

5
clang/test/CodeGenCXX/member-pointers-zero-init.cpp
View File

@ -7,12 +7,15 @@ struct A {
// RUN: grep "@a = global i64 -1" %t &&
int A::* a;
// RUN: grep "@aa = global \[2 x i64\] \[i64 -1, i64 -1\], align 8" %t &&
// RUN: grep "@aa = global \[2 x i64\] \[i64 -1, i64 -1\]" %t &&
int A::* aa[2];
// RUN: grep "@aaa = global \[2 x \[2 x i64\]\] \[\[2 x i64\] \[i64 -1, i64 -1\], \[2 x i64\] \[i64 -1, i64 -1\]\]" %t &&
int A::* aaa[2][2];
// RUN: grep "@b = global i64 -1" %t &&
int A::* b = 0;
void f() {
// RUN: grep "%.obool = icmp ne i64 %.mp, -1" %t
if (a) { }