#include "llvm/IR/Function.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
+#include "llvm/IR/ModuleSlotTracker.h"
#include "llvm/IR/Value.h"
#include "llvm/Support/SourceMgr.h"
#include "gtest/gtest.h"
" ret void\n"
"}\n";
SMDiagnostic Err;
- Module *M = ParseAssemblyString(ModuleString, NULL, Err, C);
+ std::unique_ptr<Module> M = parseAssemblyString(ModuleString, Err, C);
Function *F = M->getFunction("f");
- EXPECT_FALSE(F->isUsedInBasicBlock(F->begin()));
- EXPECT_TRUE((++F->arg_begin())->isUsedInBasicBlock(F->begin()));
- EXPECT_TRUE(F->arg_begin()->isUsedInBasicBlock(F->begin()));
+ EXPECT_FALSE(F->isUsedInBasicBlock(&F->front()));
+ EXPECT_TRUE((++F->arg_begin())->isUsedInBasicBlock(&F->front()));
+ EXPECT_TRUE(F->arg_begin()->isUsedInBasicBlock(&F->front()));
}
TEST(GlobalTest, CreateAddressSpace) {
LLVMContext &Ctx = getGlobalContext();
- OwningPtr<Module> M(new Module("TestModule", Ctx));
+ std::unique_ptr<Module> M(new Module("TestModule", Ctx));
Type *Int8Ty = Type::getInt8Ty(Ctx);
Type *Int32Ty = Type::getInt32Ty(Ctx);
GlobalValue::ExternalLinkage,
Constant::getAllOnesValue(Int32Ty),
"dummy",
- 0,
+ nullptr,
GlobalVariable::NotThreadLocal,
1);
+ EXPECT_TRUE(Value::MaximumAlignment == 536870912U);
+ Dummy0->setAlignment(536870912U);
+ EXPECT_EQ(Dummy0->getAlignment(), 536870912U);
+
// Make sure the address space isn't dropped when returning this.
Constant *Dummy1 = M->getOrInsertGlobal("dummy", Int32Ty);
EXPECT_EQ(Dummy0, Dummy1);
GlobalValue::ExternalLinkage,
Constant::getAllOnesValue(Int32Ty),
"dummy_cast",
- 0,
+ nullptr,
GlobalVariable::NotThreadLocal,
1);
EXPECT_EQ(1u, DummyCast1->getType()->getPointerAddressSpace());
EXPECT_NE(DummyCast0, DummyCast1) << *DummyCast1;
}
+
+#ifdef GTEST_HAS_DEATH_TEST
+#ifndef NDEBUG
+TEST(GlobalTest, AlignDeath) {
+ LLVMContext &Ctx = getGlobalContext();
+ std::unique_ptr<Module> M(new Module("TestModule", Ctx));
+ Type *Int32Ty = Type::getInt32Ty(Ctx);
+ GlobalVariable *Var =
+ new GlobalVariable(*M, Int32Ty, true, GlobalValue::ExternalLinkage,
+ Constant::getAllOnesValue(Int32Ty), "var", nullptr,
+ GlobalVariable::NotThreadLocal, 1);
+
+ EXPECT_DEATH(Var->setAlignment(536870913U), "Alignment is not a power of 2");
+ EXPECT_DEATH(Var->setAlignment(1073741824U),
+ "Alignment is greater than MaximumAlignment");
+}
+#endif
+#endif
+
+TEST(ValueTest, printSlots) {
+ // Check that Value::print() and Value::printAsOperand() work with and
+ // without a slot tracker.
+ LLVMContext C;
+
+ const char *ModuleString = "define void @f(i32 %x, i32 %y) {\n"
+ "entry:\n"
+ " %0 = add i32 %y, 1\n"
+ " %1 = add i32 %y, 1\n"
+ " ret void\n"
+ "}\n";
+ SMDiagnostic Err;
+ std::unique_ptr<Module> M = parseAssemblyString(ModuleString, Err, C);
+
+ Function *F = M->getFunction("f");
+ ASSERT_TRUE(F);
+ ASSERT_FALSE(F->empty());
+ BasicBlock &BB = F->getEntryBlock();
+ ASSERT_EQ(3u, BB.size());
+
+ Instruction *I0 = &*BB.begin();
+ ASSERT_TRUE(I0);
+ Instruction *I1 = &*++BB.begin();
+ ASSERT_TRUE(I1);
+
+ ModuleSlotTracker MST(M.get());
+
+#define CHECK_PRINT(INST, STR) \
+ do { \
+ { \
+ std::string S; \
+ raw_string_ostream OS(S); \
+ INST->print(OS); \
+ EXPECT_EQ(STR, OS.str()); \
+ } \
+ { \
+ std::string S; \
+ raw_string_ostream OS(S); \
+ INST->print(OS, MST); \
+ EXPECT_EQ(STR, OS.str()); \
+ } \
+ } while (false)
+ CHECK_PRINT(I0, " %0 = add i32 %y, 1");
+ CHECK_PRINT(I1, " %1 = add i32 %y, 1");
+#undef CHECK_PRINT
+
+#define CHECK_PRINT_AS_OPERAND(INST, TYPE, STR) \
+ do { \
+ { \
+ std::string S; \
+ raw_string_ostream OS(S); \
+ INST->printAsOperand(OS, TYPE); \
+ EXPECT_EQ(StringRef(STR), StringRef(OS.str())); \
+ } \
+ { \
+ std::string S; \
+ raw_string_ostream OS(S); \
+ INST->printAsOperand(OS, TYPE, MST); \
+ EXPECT_EQ(StringRef(STR), StringRef(OS.str())); \
+ } \
+ } while (false)
+ CHECK_PRINT_AS_OPERAND(I0, false, "%0");
+ CHECK_PRINT_AS_OPERAND(I1, false, "%1");
+ CHECK_PRINT_AS_OPERAND(I0, true, "i32 %0");
+ CHECK_PRINT_AS_OPERAND(I1, true, "i32 %1");
+#undef CHECK_PRINT_AS_OPERAND
+}
+
+TEST(ValueTest, getLocalSlots) {
+ // Verify that the getLocalSlot method returns the correct slot numbers.
+ LLVMContext C;
+ const char *ModuleString = "define void @f(i32 %x, i32 %y) {\n"
+ "entry:\n"
+ " %0 = add i32 %y, 1\n"
+ " %1 = add i32 %y, 1\n"
+ " br label %2\n"
+ "\n"
+ " ret void\n"
+ "}\n";
+ SMDiagnostic Err;
+ std::unique_ptr<Module> M = parseAssemblyString(ModuleString, Err, C);
+
+ Function *F = M->getFunction("f");
+ ASSERT_TRUE(F);
+ ASSERT_FALSE(F->empty());
+ BasicBlock &EntryBB = F->getEntryBlock();
+ ASSERT_EQ(3u, EntryBB.size());
+ BasicBlock *BB2 = &*++F->begin();
+ ASSERT_TRUE(BB2);
+
+ Instruction *I0 = &*EntryBB.begin();
+ ASSERT_TRUE(I0);
+ Instruction *I1 = &*++EntryBB.begin();
+ ASSERT_TRUE(I1);
+
+ ModuleSlotTracker MST(M.get());
+ MST.incorporateFunction(*F);
+ EXPECT_EQ(MST.getLocalSlot(I0), 0);
+ EXPECT_EQ(MST.getLocalSlot(I1), 1);
+ EXPECT_EQ(MST.getLocalSlot(&EntryBB), -1);
+ EXPECT_EQ(MST.getLocalSlot(BB2), 2);
+}
+
+#if defined(GTEST_HAS_DEATH_TEST) && !defined(NDEBUG)
+TEST(ValueTest, getLocalSlotDeath) {
+ LLVMContext C;
+ const char *ModuleString = "define void @f(i32 %x, i32 %y) {\n"
+ "entry:\n"
+ " %0 = add i32 %y, 1\n"
+ " %1 = add i32 %y, 1\n"
+ " br label %2\n"
+ "\n"
+ " ret void\n"
+ "}\n";
+ SMDiagnostic Err;
+ std::unique_ptr<Module> M = parseAssemblyString(ModuleString, Err, C);
+
+ Function *F = M->getFunction("f");
+ ASSERT_TRUE(F);
+ ASSERT_FALSE(F->empty());
+ BasicBlock *BB2 = &*++F->begin();
+ ASSERT_TRUE(BB2);
+
+ ModuleSlotTracker MST(M.get());
+ EXPECT_DEATH(MST.getLocalSlot(BB2), "No function incorporated");
+}
+#endif
+
} // end anonymous namespace