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[MCJIT] Add a FindGlobalVariableNamed utility

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Summary: This adds FindGlobalVariableNamed to ExecutionEngine
(plus implementation in MCJIT), which is an analog of
FindFunctionNamed for GlobalVariables.

Reviewers: lhames

Reviewed By: lhames

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10421

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240202 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Keno Fischer
2015-06-20 00:55:58 +00:00
parent 4029c5944b
commit bea6fb975e
5 changed files with 63 additions and 6 deletions
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15
unittests/ExecutionEngine/MCJIT/MCJITMultipleModuleTest.cpp
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@ -194,14 +194,15 @@ TEST_F(MCJITMultipleModuleTest, two_module_consecutive_call_case) {
// Module A { Global Variable GVA, Function FA loads GVA },
// Module B { Global Variable GVB, Function FB loads GVB },
// execute FB then FA
// Module B { Global Variable GVB, Internal Global GVC, Function FB loads GVB },
// execute FB then FA, also check that the global variables are properly accesible
// through the ExecutionEngine APIs
TEST_F(MCJITMultipleModuleTest, two_module_global_variables_case) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B;
Function *FA, *FB;
GlobalVariable *GVA, *GVB;
GlobalVariable *GVA, *GVB, *GVC;
A.reset(createEmptyModule("A"));
B.reset(createEmptyModule("B"));
@ -213,9 +214,17 @@ TEST_F(MCJITMultipleModuleTest, two_module_global_variables_case) {
FB = startFunction<int32_t(void)>(B.get(), "FB");
endFunctionWithRet(FB, Builder.CreateLoad(GVB));
GVC = insertGlobalInt32(B.get(), "GVC", initialNum);
GVC->setLinkage(GlobalValue::InternalLinkage);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
EXPECT_EQ(GVA, TheJIT->FindGlobalVariableNamed("GVA"));
EXPECT_EQ(GVB, TheJIT->FindGlobalVariableNamed("GVB"));
EXPECT_EQ(GVC, TheJIT->FindGlobalVariableNamed("GVC",true));
EXPECT_EQ(NULL, TheJIT->FindGlobalVariableNamed("GVC"));
uint64_t FBPtr = TheJIT->getFunctionAddress(FB->getName().str());
TheJIT->finalizeObject();
EXPECT_TRUE(0 != FBPtr);