llvm-6502/unittests/IR/PatternMatch.cpp

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//===---- llvm/unittest/IR/PatternMatch.cpp - PatternMatch unit tests ----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/STLExtras.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/Operator.h"
#include "llvm/Support/NoFolder.h"
#include "llvm/Support/PatternMatch.h"
#include "gtest/gtest.h"
using namespace llvm::PatternMatch;
namespace llvm {
namespace {
/// Ordered floating point minimum/maximum tests.
static void m_OrdFMin_expect_match_and_delete(Value *Cmp, Value *Select,
Value *L, Value *R) {
Value *MatchL, *MatchR;
EXPECT_TRUE(m_OrdFMin(m_Value(MatchL), m_Value(MatchR)).match(Select));
EXPECT_EQ(L, MatchL);
EXPECT_EQ(R, MatchR);
delete Select;
delete Cmp;
}
static void m_OrdFMin_expect_nomatch_and_delete(Value *Cmp, Value *Select,
Value *L, Value *R) {
Value *MatchL, *MatchR;
EXPECT_FALSE(m_OrdFMin(m_Value(MatchL), m_Value(MatchR)).match(Select));
delete Select;
delete Cmp;
}
static void m_OrdFMax_expect_match_and_delete(Value *Cmp, Value *Select,
Value *L, Value *R) {
Value *MatchL, *MatchR;
EXPECT_TRUE(m_OrdFMax(m_Value(MatchL), m_Value(MatchR)).match(Select));
EXPECT_EQ(L, MatchL);
EXPECT_EQ(R, MatchR);
delete Select;
delete Cmp;
}
static void m_OrdFMax_expect_nomatch_and_delete(Value *Cmp, Value *Select,
Value *L, Value *R) {
Value *MatchL, *MatchR;
EXPECT_FALSE(m_OrdFMax(m_Value(MatchL), m_Value(MatchR)).match(Select));
delete Select;
delete Cmp;
}
TEST(PatternMatchTest, FloatingPointOrderedMin) {
LLVMContext &C(getGlobalContext());
IRBuilder<true, NoFolder> Builder(C);
Type *FltTy = Builder.getFloatTy();
Value *L = ConstantFP::get(FltTy, 1.0);
Value *R = ConstantFP::get(FltTy, 2.0);
// Test OLT.
Value *Cmp = Builder.CreateFCmpOLT(L, R);
Value *Select = Builder.CreateSelect(Cmp, L, R);
m_OrdFMin_expect_match_and_delete(Cmp, Select, L, R);
// Test OLE.
Cmp = Builder.CreateFCmpOLE(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_OrdFMin_expect_match_and_delete(Cmp, Select, L, R);
// Test no match on OGE.
Cmp = Builder.CreateFCmpOGE(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_OrdFMin_expect_nomatch_and_delete(Cmp, Select, L, R);
// Test no match on OGT.
Cmp = Builder.CreateFCmpOGT(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_OrdFMin_expect_nomatch_and_delete(Cmp, Select, L, R);
// Test match on OGE with inverted select.
Cmp = Builder.CreateFCmpOGE(L, R);
Select = Builder.CreateSelect(Cmp, R, L);
m_OrdFMin_expect_match_and_delete(Cmp, Select, L, R);
// Test match on OGT with inverted select.
Cmp = Builder.CreateFCmpOGT(L, R);
Select = Builder.CreateSelect(Cmp, R, L);
m_OrdFMin_expect_match_and_delete(Cmp, Select, L, R);
}
TEST(PatternMatchTest, FloatingPointOrderedMax) {
LLVMContext &C(getGlobalContext());
IRBuilder<true, NoFolder> Builder(C);
Type *FltTy = Builder.getFloatTy();
Value *L = ConstantFP::get(FltTy, 1.0);
Value *R = ConstantFP::get(FltTy, 2.0);
// Test OGT.
Value *Cmp = Builder.CreateFCmpOGT(L, R);
Value *Select = Builder.CreateSelect(Cmp, L, R);
m_OrdFMax_expect_match_and_delete(Cmp, Select, L, R);
// Test OGE.
Cmp = Builder.CreateFCmpOGE(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_OrdFMax_expect_match_and_delete(Cmp, Select, L, R);
// Test no match on OLE.
Cmp = Builder.CreateFCmpOLE(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_OrdFMax_expect_nomatch_and_delete(Cmp, Select, L, R);
// Test no match on OLT.
Cmp = Builder.CreateFCmpOLT(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_OrdFMax_expect_nomatch_and_delete(Cmp, Select, L, R);
// Test match on OLE with inverted select.
Cmp = Builder.CreateFCmpOLE(L, R);
Select = Builder.CreateSelect(Cmp, R, L);
m_OrdFMax_expect_match_and_delete(Cmp, Select, L, R);
// Test match on OLT with inverted select.
Cmp = Builder.CreateFCmpOLT(L, R);
Select = Builder.CreateSelect(Cmp, R, L);
m_OrdFMax_expect_match_and_delete(Cmp, Select, L, R);
}
/// Unordered floating point minimum/maximum tests.
static void m_UnordFMin_expect_match_and_delete(Value *Cmp, Value *Select,
Value *L, Value *R) {
Value *MatchL, *MatchR;
EXPECT_TRUE(m_UnordFMin(m_Value(MatchL), m_Value(MatchR)).match(Select));
EXPECT_EQ(L, MatchL);
EXPECT_EQ(R, MatchR);
delete Select;
delete Cmp;
}
static void m_UnordFMin_expect_nomatch_and_delete(Value *Cmp, Value *Select,
Value *L, Value *R) {
Value *MatchL, *MatchR;
EXPECT_FALSE(m_UnordFMin(m_Value(MatchL), m_Value(MatchR)).match(Select));
delete Select;
delete Cmp;
}
static void m_UnordFMax_expect_match_and_delete(Value *Cmp, Value *Select,
Value *L, Value *R) {
Value *MatchL, *MatchR;
EXPECT_TRUE(m_UnordFMax(m_Value(MatchL), m_Value(MatchR)).match(Select));
EXPECT_EQ(L, MatchL);
EXPECT_EQ(R, MatchR);
delete Select;
delete Cmp;
}
static void m_UnordFMax_expect_nomatch_and_delete(Value *Cmp, Value *Select,
Value *L, Value *R) {
Value *MatchL, *MatchR;
EXPECT_FALSE(m_UnordFMax(m_Value(MatchL), m_Value(MatchR)).match(Select));
delete Select;
delete Cmp;
}
TEST(PatternMatchTest, FloatingPointUnorderedMin) {
LLVMContext &C(getGlobalContext());
IRBuilder<true, NoFolder> Builder(C);
Type *FltTy = Builder.getFloatTy();
Value *L = ConstantFP::get(FltTy, 1.0);
Value *R = ConstantFP::get(FltTy, 2.0);
// Test ULT.
Value *Cmp = Builder.CreateFCmpULT(L, R);
Value *Select = Builder.CreateSelect(Cmp, L, R);
m_UnordFMin_expect_match_and_delete(Cmp, Select, L, R);
// Test ULE.
Cmp = Builder.CreateFCmpULE(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_UnordFMin_expect_match_and_delete(Cmp, Select, L, R);
// Test no match on UGE.
Cmp = Builder.CreateFCmpUGE(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_UnordFMin_expect_nomatch_and_delete(Cmp, Select, L, R);
// Test no match on UGT.
Cmp = Builder.CreateFCmpUGT(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_UnordFMin_expect_nomatch_and_delete(Cmp, Select, L, R);
// Test match on UGE with inverted select.
Cmp = Builder.CreateFCmpUGE(L, R);
Select = Builder.CreateSelect(Cmp, R, L);
m_UnordFMin_expect_match_and_delete(Cmp, Select, L, R);
// Test match on UGT with inverted select.
Cmp = Builder.CreateFCmpUGT(L, R);
Select = Builder.CreateSelect(Cmp, R, L);
m_UnordFMin_expect_match_and_delete(Cmp, Select, L, R);
}
TEST(PatternMatchTest, FloatingPointUnorderedMax) {
LLVMContext &C(getGlobalContext());
IRBuilder<true, NoFolder> Builder(C);
Type *FltTy = Builder.getFloatTy();
Value *L = ConstantFP::get(FltTy, 1.0);
Value *R = ConstantFP::get(FltTy, 2.0);
// Test UGT.
Value *Cmp = Builder.CreateFCmpUGT(L, R);
Value *Select = Builder.CreateSelect(Cmp, L, R);
m_UnordFMax_expect_match_and_delete(Cmp, Select, L, R);
// Test UGE.
Cmp = Builder.CreateFCmpUGE(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_UnordFMax_expect_match_and_delete(Cmp, Select, L, R);
// Test no match on ULE.
Cmp = Builder.CreateFCmpULE(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_UnordFMax_expect_nomatch_and_delete(Cmp, Select, L, R);
// Test no match on ULT.
Cmp = Builder.CreateFCmpULT(L, R);
Select = Builder.CreateSelect(Cmp, L, R);
m_UnordFMax_expect_nomatch_and_delete(Cmp, Select, L, R);
// Test match on ULE with inverted select.
Cmp = Builder.CreateFCmpULE(L, R);
Select = Builder.CreateSelect(Cmp, R, L);
m_UnordFMax_expect_match_and_delete(Cmp, Select, L, R);
// Test match on ULT with inverted select.
Cmp = Builder.CreateFCmpULT(L, R);
Select = Builder.CreateSelect(Cmp, R, L);
m_UnordFMax_expect_match_and_delete(Cmp, Select, L, R);
}
} // anonymous namespace.
} // llvm namespace.