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Handle emitting static variables that have reference type. 

llvm-svn: 91027
This commit is contained in:
Anders Carlsson 2009-12-10 01:05:11 +00:00
parent 364051c6a6
commit a72ddd4609
2 changed files with 12 additions and 5 deletions
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5
clang/lib/CodeGen/CGDeclCXX.cpp
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@ -193,7 +193,10 @@ CodeGenFunction::EmitStaticCXXBlockVarDeclInit(const VarDecl &D,
EmitBlock(InitBlock);
if (D.getType()->isReferenceType()) {
ErrorUnsupported(D.getInit(), "static variable that binds to a reference");
// We don't want to pass true for IsInitializer here, because a static
// reference to a temporary does not extend its lifetime.
EmitReferenceBindingToExpr(D.getInit(), D.getType(),
/*IsInitializer=*/false);
} else
EmitDeclInit(*this, D, GV);

12
clang/test/CodeGenCXX/static-init.cpp
View File

@ -1,13 +1,17 @@
// RUN: clang-cc -triple=x86_64-apple-darwin9 -emit-llvm %s -o %t
// RUN: grep "call void @_ZN1AC1Ev" %t | count 1
// RUN: grep "call i32 @__cxa_atexit(void (i8\*)\* bitcast (void (%.truct.A\*)\* @_ZN1AD1Ev to void (i8\*)\*), i8\* getelementptr inbounds (%.truct.A\* @_ZZ1fvE1a, i32 0, i32 0), i8\* bitcast (i8\*\* @__dso_handle to i8\*))" %t | count 1
// RUN: clang-cc %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
struct A {
A();
~A();
};
void f() {
// CHECK: call void @_ZN1AC1Ev(
// CHECK: call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @_ZZ1fvE1a, i32 0, i32 0), i8* bitcast (i8** @__dso_handle to i8*))
static A a;
}
void g() {
// CHECK: call i8* @_Znwm(i64 1)
// CHECK: call void @_ZN1AC1Ev(
static A& a = *new A;
}