X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=unittests%2FVMCore%2FInstructionsTest.cpp;h=4cadc36f8f0c266a09a031e843c9cf2605be5d97;hb=b21d9aebba7e45ddcbce61dd501000049cefb335;hp=c1baa74487aa75d7679c701a636979433f026f52;hpb=fe7bb05ad1bb2644140a2009e34b0b581d9fee67;p=oota-llvm.git diff --git a/unittests/VMCore/InstructionsTest.cpp b/unittests/VMCore/InstructionsTest.cpp index c1baa74487a..4cadc36f8f0 100644 --- a/unittests/VMCore/InstructionsTest.cpp +++ b/unittests/VMCore/InstructionsTest.cpp @@ -7,11 +7,17 @@ // //===----------------------------------------------------------------------===// -#include "llvm/Instructions.h" #include "llvm/BasicBlock.h" +#include "llvm/Constants.h" +#include "llvm/DataLayout.h" #include "llvm/DerivedTypes.h" +#include "llvm/IRBuilder.h" +#include "llvm/Instructions.h" #include "llvm/LLVMContext.h" +#include "llvm/MDBuilder.h" +#include "llvm/Operator.h" #include "llvm/ADT/STLExtras.h" +#include "llvm/Analysis/ValueTracking.h" #include "gtest/gtest.h" namespace llvm { @@ -25,16 +31,16 @@ TEST(InstructionsTest, ReturnInst) { 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(r1->getNumOperands(), 1U); + 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; @@ -53,17 +59,17 @@ TEST(InstructionsTest, BranchInst) { EXPECT_TRUE(b0->isUnconditional()); EXPECT_FALSE(b0->isConditional()); - EXPECT_EQ(b0->getNumSuccessors(), 1U); + EXPECT_EQ(1U, b0->getNumSuccessors()); // check num operands - EXPECT_EQ(b0->getNumOperands(), 1U); + EXPECT_EQ(1U, b0->getNumOperands()); EXPECT_NE(b0->op_begin(), b0->op_end()); - EXPECT_EQ(next(b0->op_begin()), b0->op_end()); + EXPECT_EQ(b0->op_end(), llvm::next(b0->op_begin())); - EXPECT_EQ(next(b0->op_begin()), b0->op_end()); + EXPECT_EQ(b0->op_end(), llvm::next(b0->op_begin())); - const IntegerType* Int1 = IntegerType::get(C, 1); + IntegerType* Int1 = IntegerType::get(C, 1); Constant* One = ConstantInt::get(Int1, 1, true); // Conditional BranchInst @@ -71,50 +77,33 @@ TEST(InstructionsTest, BranchInst) { EXPECT_FALSE(b1->isUnconditional()); EXPECT_TRUE(b1->isConditional()); - EXPECT_EQ(b1->getNumSuccessors(), 2U); + EXPECT_EQ(2U, b1->getNumSuccessors()); // check num operands - EXPECT_EQ(b1->getNumOperands(), 3U); + EXPECT_EQ(3U, b1->getNumOperands()); User::const_op_iterator b(b1->op_begin()); // check COND EXPECT_NE(b, b1->op_end()); - EXPECT_EQ(*b, One); - EXPECT_EQ(b1->getOperand(0), One); - EXPECT_EQ(b1->getCondition(), One); + EXPECT_EQ(One, *b); + EXPECT_EQ(One, b1->getOperand(0)); + EXPECT_EQ(One, b1->getCondition()); ++b; // check ELSE - EXPECT_EQ(*b, bb1); - EXPECT_EQ(b1->getOperand(1), bb1); - EXPECT_EQ(b1->getSuccessor(1), bb1); + EXPECT_EQ(bb1, *b); + EXPECT_EQ(bb1, b1->getOperand(1)); + EXPECT_EQ(bb1, b1->getSuccessor(1)); ++b; // check THEN - EXPECT_EQ(*b, bb0); - EXPECT_EQ(b1->getOperand(2), bb0); - EXPECT_EQ(b1->getSuccessor(0), bb0); + EXPECT_EQ(bb0, *b); + EXPECT_EQ(bb0, b1->getOperand(2)); + EXPECT_EQ(bb0, b1->getSuccessor(0)); ++b; - EXPECT_EQ(b, b1->op_end()); - - // shrink it - b1->setUnconditionalDest(bb1); - - // check num operands - EXPECT_EQ(b1->getNumOperands(), 1U); - - User::const_op_iterator c(b1->op_begin()); - EXPECT_NE(c, b1->op_end()); - - // check THEN - EXPECT_EQ(*c, bb1); - EXPECT_EQ(b1->getOperand(0), bb1); - EXPECT_EQ(b1->getSuccessor(0), bb1); - ++c; - - EXPECT_EQ(c, b1->op_end()); + EXPECT_EQ(b1->op_end(), b); // clean up delete b0; @@ -124,5 +113,135 @@ TEST(InstructionsTest, BranchInst) { 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 ConstVa(2, Ci32a); + std::vector 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; + DataLayout 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; +} + +TEST(InstructionsTest, FPMathOperator) { + LLVMContext &Context = getGlobalContext(); + IRBuilder<> Builder(Context); + MDBuilder MDHelper(Context); + Instruction *I = Builder.CreatePHI(Builder.getDoubleTy(), 0); + MDNode *MD1 = MDHelper.createFPMath(1.0); + Value *V1 = Builder.CreateFAdd(I, I, "", MD1); + EXPECT_TRUE(isa(V1)); + FPMathOperator *O1 = cast(V1); + EXPECT_EQ(O1->getFPAccuracy(), 1.0); + delete V1; + delete I; +} + } // end anonymous namespace } // end namespace llvm