maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

unit test to go along with r108610 

llvm-svn: 108611
This commit is contained in:
Chris Lattner 2010-07-17 06:14:03 +00:00
parent 718da70ca2
commit 3c93d12916
1 changed files with 56 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
llvm/unittests/VMCore/DerivedTypesTest.cpp
View File

@ -9,13 +9,66 @@
#include "gtest/gtest.h"
#include "../lib/VMCore/LLVMContextImpl.h"
#include "llvm/Type.h"
#include "llvm/DerivedTypes.h"
#include "llvm/LLVMContext.h"
#include "llvm/Constants.h"
#include "llvm/Support/ValueHandle.h"
using namespace llvm;
namespace {
static void PR7658() {
LLVMContext ctx;
WeakVH NullPtr;
PATypeHolder h1;
{
OpaqueType *o1 = OpaqueType::get(ctx);
PointerType *p1 = PointerType::get(o1, 0);
std::vector<const Type *> t1;
t1.push_back(IntegerType::get(ctx, 32));
t1.push_back(p1);
NullPtr = ConstantPointerNull::get(p1);
OpaqueType *o2 = OpaqueType::get (ctx);
PointerType *p2 = PointerType::get (o2, 0);
t1.push_back(p2);
StructType *s1 = StructType::get(ctx, t1);
h1 = s1;
o1->refineAbstractTypeTo(s1);
o2->refineAbstractTypeTo(h1.get()); // h1 = { i32, \2*, \2* }
}
OpaqueType *o3 = OpaqueType::get(ctx);
PointerType *p3 = PointerType::get(o3, 0); // p3 = opaque*
std::vector<const Type *> t2;
t2.push_back(IntegerType::get(ctx, 32));
t2.push_back(p3);
std::vector<Constant *> v2;
v2.push_back(ConstantInt::get(IntegerType::get(ctx, 32), 14));
v2.push_back(ConstantPointerNull::get(p3));
OpaqueType *o4 = OpaqueType::get(ctx);
{
PointerType *p4 = PointerType::get(o4, 0);
t2.push_back(p4);
v2.push_back(ConstantPointerNull::get(p4));
}
WeakVH CS = ConstantStruct::get(ctx, v2, false); // { i32 14, opaque* null, opaque* null}
StructType *s2 = StructType::get(ctx, t2);
PATypeHolder h2(s2);
o3->refineAbstractTypeTo(s2);
o4->refineAbstractTypeTo(h2.get());
}
TEST(OpaqueTypeTest, RegisterWithContext) {
LLVMContext C;
LLVMContextImpl *pImpl = C.pImpl;
@ -28,6 +81,8 @@ TEST(OpaqueTypeTest, RegisterWithContext) {
EXPECT_EQ(2u, pImpl->OpaqueTypes.size());
}
EXPECT_EQ(1u, pImpl->OpaqueTypes.size());
PR7658();
}
} // namespace