//===----------------------------------------------------------------------===//
#include "llvm/Instructions.h"
+#include "llvm/BasicBlock.h"
+#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/LLVMContext.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/Analysis/ValueTracking.h"
+#include "llvm/Target/TargetData.h"
#include "gtest/gtest.h"
namespace llvm {
// test for PR6589
const ReturnInst* r0 = ReturnInst::Create(C);
+ EXPECT_EQ(r0->getNumOperands(), 0U);
EXPECT_EQ(r0->op_begin(), r0->op_end());
- const IntegerType* Int1 = IntegerType::get(C, 1);
+ IntegerType* Int1 = IntegerType::get(C, 1);
Constant* One = ConstantInt::get(Int1, 1, true);
const ReturnInst* r1 = ReturnInst::Create(C, One);
+ EXPECT_EQ(1U, r1->getNumOperands());
User::const_op_iterator b(r1->op_begin());
- EXPECT_NE(b, r1->op_end());
- EXPECT_EQ(*b, One);
- EXPECT_EQ(r1->getOperand(0), One);
+ EXPECT_NE(r1->op_end(), b);
+ EXPECT_EQ(One, *b);
+ EXPECT_EQ(One, r1->getOperand(0));
++b;
- EXPECT_EQ(b, r1->op_end());
+ EXPECT_EQ(r1->op_end(), b);
+
+ // clean up
+ delete r0;
+ delete r1;
+}
+
+TEST(InstructionsTest, BranchInst) {
+ LLVMContext &C(getGlobalContext());
+
+ // Make a BasicBlocks
+ BasicBlock* bb0 = BasicBlock::Create(C);
+ BasicBlock* bb1 = BasicBlock::Create(C);
+
+ // Mandatory BranchInst
+ const BranchInst* b0 = BranchInst::Create(bb0);
+
+ EXPECT_TRUE(b0->isUnconditional());
+ EXPECT_FALSE(b0->isConditional());
+ EXPECT_EQ(1U, b0->getNumSuccessors());
+
+ // check num operands
+ EXPECT_EQ(1U, b0->getNumOperands());
+
+ EXPECT_NE(b0->op_begin(), b0->op_end());
+ EXPECT_EQ(b0->op_end(), llvm::next(b0->op_begin()));
+
+ EXPECT_EQ(b0->op_end(), llvm::next(b0->op_begin()));
+
+ IntegerType* Int1 = IntegerType::get(C, 1);
+ Constant* One = ConstantInt::get(Int1, 1, true);
+
+ // Conditional BranchInst
+ BranchInst* b1 = BranchInst::Create(bb0, bb1, One);
+
+ EXPECT_FALSE(b1->isUnconditional());
+ EXPECT_TRUE(b1->isConditional());
+ EXPECT_EQ(2U, b1->getNumSuccessors());
+
+ // check num operands
+ EXPECT_EQ(3U, b1->getNumOperands());
+
+ User::const_op_iterator b(b1->op_begin());
+
+ // check COND
+ EXPECT_NE(b, b1->op_end());
+ EXPECT_EQ(One, *b);
+ EXPECT_EQ(One, b1->getOperand(0));
+ EXPECT_EQ(One, b1->getCondition());
+ ++b;
+
+ // check ELSE
+ EXPECT_EQ(bb1, *b);
+ EXPECT_EQ(bb1, b1->getOperand(1));
+ EXPECT_EQ(bb1, b1->getSuccessor(1));
+ ++b;
+
+ // check THEN
+ EXPECT_EQ(bb0, *b);
+ EXPECT_EQ(bb0, b1->getOperand(2));
+ EXPECT_EQ(bb0, b1->getSuccessor(0));
+ ++b;
+
+ EXPECT_EQ(b1->op_end(), b);
+
+ // clean up
+ delete b0;
+ delete b1;
+
+ delete bb0;
+ delete bb1;
+}
+
+TEST(InstructionsTest, CastInst) {
+ LLVMContext &C(getGlobalContext());
+
+ Type* Int8Ty = Type::getInt8Ty(C);
+ Type* Int64Ty = Type::getInt64Ty(C);
+ Type* V8x8Ty = VectorType::get(Int8Ty, 8);
+ Type* V8x64Ty = VectorType::get(Int64Ty, 8);
+ Type* X86MMXTy = Type::getX86_MMXTy(C);
+
+ const Constant* c8 = Constant::getNullValue(V8x8Ty);
+ const Constant* c64 = Constant::getNullValue(V8x64Ty);
+
+ EXPECT_TRUE(CastInst::isCastable(V8x8Ty, X86MMXTy));
+ EXPECT_TRUE(CastInst::isCastable(X86MMXTy, V8x8Ty));
+ EXPECT_FALSE(CastInst::isCastable(Int64Ty, X86MMXTy));
+ EXPECT_TRUE(CastInst::isCastable(V8x64Ty, V8x8Ty));
+ EXPECT_TRUE(CastInst::isCastable(V8x8Ty, V8x64Ty));
+ EXPECT_EQ(CastInst::Trunc, CastInst::getCastOpcode(c64, true, V8x8Ty, true));
+ EXPECT_EQ(CastInst::SExt, CastInst::getCastOpcode(c8, true, V8x64Ty, true));
+}
+
+
+
+TEST(InstructionsTest, VectorGep) {
+ LLVMContext &C(getGlobalContext());
+
+ // Type Definitions
+ PointerType *Ptri8Ty = PointerType::get(IntegerType::get(C, 8), 0);
+ PointerType *Ptri32Ty = PointerType::get(IntegerType::get(C, 8), 0);
+
+ VectorType *V2xi8PTy = VectorType::get(Ptri8Ty, 2);
+ VectorType *V2xi32PTy = VectorType::get(Ptri32Ty, 2);
+
+ // Test different aspects of the vector-of-pointers type
+ // and GEPs which use this type.
+ ConstantInt *Ci32a = ConstantInt::get(C, APInt(32, 1492));
+ ConstantInt *Ci32b = ConstantInt::get(C, APInt(32, 1948));
+ std::vector<Constant*> ConstVa(2, Ci32a);
+ std::vector<Constant*> ConstVb(2, Ci32b);
+ Constant *C2xi32a = ConstantVector::get(ConstVa);
+ Constant *C2xi32b = ConstantVector::get(ConstVb);
+
+ CastInst *PtrVecA = new IntToPtrInst(C2xi32a, V2xi32PTy);
+ CastInst *PtrVecB = new IntToPtrInst(C2xi32b, V2xi32PTy);
+
+ ICmpInst *ICmp0 = new ICmpInst(ICmpInst::ICMP_SGT, PtrVecA, PtrVecB);
+ ICmpInst *ICmp1 = new ICmpInst(ICmpInst::ICMP_ULT, PtrVecA, PtrVecB);
+ EXPECT_NE(ICmp0, ICmp1); // suppress warning.
+
+ GetElementPtrInst *Gep0 = GetElementPtrInst::Create(PtrVecA, C2xi32a);
+ GetElementPtrInst *Gep1 = GetElementPtrInst::Create(PtrVecA, C2xi32b);
+ GetElementPtrInst *Gep2 = GetElementPtrInst::Create(PtrVecB, C2xi32a);
+ GetElementPtrInst *Gep3 = GetElementPtrInst::Create(PtrVecB, C2xi32b);
+
+ CastInst *BTC0 = new BitCastInst(Gep0, V2xi8PTy);
+ CastInst *BTC1 = new BitCastInst(Gep1, V2xi8PTy);
+ CastInst *BTC2 = new BitCastInst(Gep2, V2xi8PTy);
+ CastInst *BTC3 = new BitCastInst(Gep3, V2xi8PTy);
+
+ Value *S0 = BTC0->stripPointerCasts();
+ Value *S1 = BTC1->stripPointerCasts();
+ Value *S2 = BTC2->stripPointerCasts();
+ Value *S3 = BTC3->stripPointerCasts();
+
+ EXPECT_NE(S0, Gep0);
+ EXPECT_NE(S1, Gep1);
+ EXPECT_NE(S2, Gep2);
+ EXPECT_NE(S3, Gep3);
+
+ int64_t Offset;
+ TargetData TD("e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3"
+ "2:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80"
+ ":128:128-n8:16:32:64-S128");
+ // Make sure we don't crash
+ GetPointerBaseWithConstantOffset(Gep0, Offset, TD);
+ GetPointerBaseWithConstantOffset(Gep1, Offset, TD);
+ GetPointerBaseWithConstantOffset(Gep2, Offset, TD);
+ GetPointerBaseWithConstantOffset(Gep3, Offset, TD);
+
+ // Gep of Geps
+ GetElementPtrInst *GepII0 = GetElementPtrInst::Create(Gep0, C2xi32b);
+ GetElementPtrInst *GepII1 = GetElementPtrInst::Create(Gep1, C2xi32a);
+ GetElementPtrInst *GepII2 = GetElementPtrInst::Create(Gep2, C2xi32b);
+ GetElementPtrInst *GepII3 = GetElementPtrInst::Create(Gep3, C2xi32a);
+
+ EXPECT_EQ(GepII0->getNumIndices(), 1u);
+ EXPECT_EQ(GepII1->getNumIndices(), 1u);
+ EXPECT_EQ(GepII2->getNumIndices(), 1u);
+ EXPECT_EQ(GepII3->getNumIndices(), 1u);
+
+ EXPECT_FALSE(GepII0->hasAllZeroIndices());
+ EXPECT_FALSE(GepII1->hasAllZeroIndices());
+ EXPECT_FALSE(GepII2->hasAllZeroIndices());
+ EXPECT_FALSE(GepII3->hasAllZeroIndices());
+
+ delete GepII0;
+ delete GepII1;
+ delete GepII2;
+ delete GepII3;
+
+ delete BTC0;
+ delete BTC1;
+ delete BTC2;
+ delete BTC3;
+
+ delete Gep0;
+ delete Gep1;
+ delete Gep2;
+ delete Gep3;
+
+ delete ICmp0;
+ delete ICmp1;
+ delete PtrVecA;
+ delete PtrVecB;
}
} // end anonymous namespace
projects / oota-llvm.git / blobdiff