diff options
Diffstat (limited to 'llvm/unittests/CodeGen/SelectionDAGNodeConstructionTest.cpp')
| -rw-r--r-- | llvm/unittests/CodeGen/SelectionDAGNodeConstructionTest.cpp | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/llvm/unittests/CodeGen/SelectionDAGNodeConstructionTest.cpp b/llvm/unittests/CodeGen/SelectionDAGNodeConstructionTest.cpp new file mode 100644 index 0000000..b2c1420 --- /dev/null +++ b/llvm/unittests/CodeGen/SelectionDAGNodeConstructionTest.cpp @@ -0,0 +1,317 @@ +//===---- llvm/unittest/CodeGen/SelectionDAGPatternMatchTest.cpp ----------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "SelectionDAGTestBase.h" + +using namespace llvm; + +class SelectionDAGNodeConstructionTest : public SelectionDAGTestBase {}; + +TEST_F(SelectionDAGNodeConstructionTest, ADD) { + SDLoc DL; + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::ADD, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::ADD, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::ADD, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::ADD, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::ADD, DL, MVT::i32, Op, Undef), Undef); + EXPECT_EQ(DAG->getNode(ISD::ADD, DL, MVT::i32, Undef, Op), Undef); + EXPECT_EQ(DAG->getNode(ISD::ADD, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, AND) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue Zero = DAG->getConstant(0, DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::AND, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::AND, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::AND, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::AND, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::AND, DL, MVT::i32, Op, Undef), Zero); + EXPECT_EQ(DAG->getNode(ISD::AND, DL, MVT::i32, Undef, Op), Zero); + EXPECT_EQ(DAG->getNode(ISD::AND, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, MUL) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue Zero = DAG->getConstant(0, DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::MUL, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::MUL, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::MUL, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::MUL, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::MUL, DL, MVT::i32, Op, Undef), Zero); + EXPECT_EQ(DAG->getNode(ISD::MUL, DL, MVT::i32, Undef, Op), Zero); + EXPECT_EQ(DAG->getNode(ISD::MUL, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, OR) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue AllOnes = DAG->getAllOnesConstant(DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::OR, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::OR, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::OR, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::OR, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::OR, DL, MVT::i32, Op, Undef), AllOnes); + EXPECT_EQ(DAG->getNode(ISD::OR, DL, MVT::i32, Undef, Op), AllOnes); + EXPECT_EQ(DAG->getNode(ISD::OR, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, SADDSAT) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue AllOnes = DAG->getAllOnesConstant(DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::SADDSAT, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::SADDSAT, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::SADDSAT, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::SADDSAT, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::SADDSAT, DL, MVT::i32, Op, Undef), AllOnes); + EXPECT_EQ(DAG->getNode(ISD::SADDSAT, DL, MVT::i32, Undef, Op), AllOnes); + EXPECT_EQ(DAG->getNode(ISD::SADDSAT, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, SDIV) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue Zero = DAG->getConstant(0, DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::SDIV, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::SDIV, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::SDIV, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::SDIV, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::SDIV, DL, MVT::i32, Op, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::SDIV, DL, MVT::i32, Undef, Op), Zero); + EXPECT_EQ(DAG->getNode(ISD::SDIV, DL, MVT::i32, Undef, Undef), Poison); +} + +TEST_F(SelectionDAGNodeConstructionTest, SMAX) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue MaxInt = DAG->getConstant(APInt::getSignedMaxValue(32), DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::SMAX, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::SMAX, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::SMAX, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::SMAX, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::SMAX, DL, MVT::i32, Op, Undef), MaxInt); + EXPECT_EQ(DAG->getNode(ISD::SMAX, DL, MVT::i32, Undef, Op), MaxInt); + EXPECT_EQ(DAG->getNode(ISD::SMAX, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, SMIN) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue MinInt = DAG->getConstant(APInt::getSignedMinValue(32), DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::SMIN, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::SMIN, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::SMIN, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::SMIN, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::SMIN, DL, MVT::i32, Op, Undef), MinInt); + EXPECT_EQ(DAG->getNode(ISD::SMIN, DL, MVT::i32, Undef, Op), MinInt); + EXPECT_EQ(DAG->getNode(ISD::SMIN, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, SREM) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue Zero = DAG->getConstant(0, DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::SREM, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::SREM, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::SREM, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::SREM, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::SREM, DL, MVT::i32, Op, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::SREM, DL, MVT::i32, Undef, Op), Zero); + EXPECT_EQ(DAG->getNode(ISD::SREM, DL, MVT::i32, Undef, Undef), Poison); +} + +TEST_F(SelectionDAGNodeConstructionTest, SSUBSAT) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue Zero = DAG->getConstant(0, DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::SSUBSAT, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::SSUBSAT, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::SSUBSAT, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::SSUBSAT, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::SSUBSAT, DL, MVT::i32, Op, Undef), Zero); + EXPECT_EQ(DAG->getNode(ISD::SSUBSAT, DL, MVT::i32, Undef, Op), Zero); + EXPECT_EQ(DAG->getNode(ISD::SSUBSAT, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, SUB) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::SUB, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::SUB, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::SUB, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::SUB, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::SUB, DL, MVT::i32, Op, Undef), Undef); + EXPECT_EQ(DAG->getNode(ISD::SUB, DL, MVT::i32, Undef, Op), Undef); + EXPECT_EQ(DAG->getNode(ISD::SUB, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, UADDSAT) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue AllOnes = DAG->getAllOnesConstant(DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::UADDSAT, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::UADDSAT, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::UADDSAT, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::UADDSAT, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::UADDSAT, DL, MVT::i32, Op, Undef), AllOnes); + EXPECT_EQ(DAG->getNode(ISD::UADDSAT, DL, MVT::i32, Undef, Op), AllOnes); + EXPECT_EQ(DAG->getNode(ISD::UADDSAT, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, UDIV) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue Zero = DAG->getConstant(0, DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::UDIV, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::UDIV, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::UDIV, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::UDIV, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::UDIV, DL, MVT::i32, Op, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::UDIV, DL, MVT::i32, Undef, Op), Zero); + EXPECT_EQ(DAG->getNode(ISD::UDIV, DL, MVT::i32, Undef, Undef), Poison); +} + +TEST_F(SelectionDAGNodeConstructionTest, UMAX) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue AllOnes = DAG->getAllOnesConstant(DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::UMAX, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::UMAX, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::UMAX, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::UMAX, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::UMAX, DL, MVT::i32, Op, Undef), AllOnes); + EXPECT_EQ(DAG->getNode(ISD::UMAX, DL, MVT::i32, Undef, Op), AllOnes); + EXPECT_EQ(DAG->getNode(ISD::UMAX, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, UMIN) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue Zero = DAG->getConstant(0, DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::UMIN, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::UMIN, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::UMIN, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::UMIN, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::UMIN, DL, MVT::i32, Op, Undef), Zero); + EXPECT_EQ(DAG->getNode(ISD::UMIN, DL, MVT::i32, Undef, Op), Zero); + EXPECT_EQ(DAG->getNode(ISD::UMIN, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, UREM) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue Zero = DAG->getConstant(0, DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::UREM, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::UREM, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::UREM, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::UREM, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::UREM, DL, MVT::i32, Op, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::UREM, DL, MVT::i32, Undef, Op), Zero); + EXPECT_EQ(DAG->getNode(ISD::UREM, DL, MVT::i32, Undef, Undef), Poison); +} + +TEST_F(SelectionDAGNodeConstructionTest, USUBSAT) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue Zero = DAG->getConstant(0, DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::USUBSAT, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::USUBSAT, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::USUBSAT, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::USUBSAT, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::USUBSAT, DL, MVT::i32, Op, Undef), Zero); + EXPECT_EQ(DAG->getNode(ISD::USUBSAT, DL, MVT::i32, Undef, Op), Zero); + EXPECT_EQ(DAG->getNode(ISD::USUBSAT, DL, MVT::i32, Undef, Undef), Undef); +} + +TEST_F(SelectionDAGNodeConstructionTest, XOR) { + SDLoc DL; + SDValue Op = DAG->getCopyFromReg(DAG->getEntryNode(), DL, 1, MVT::i32); + SDValue Poison = DAG->getPOISON(MVT::i32); + SDValue Undef = DAG->getUNDEF(MVT::i32); + SDValue Zero = DAG->getConstant(0, DL, MVT::i32); + + EXPECT_EQ(DAG->getNode(ISD::XOR, DL, MVT::i32, Op, Poison), Poison); + EXPECT_EQ(DAG->getNode(ISD::XOR, DL, MVT::i32, Poison, Op), Poison); + EXPECT_EQ(DAG->getNode(ISD::XOR, DL, MVT::i32, Poison, Undef), Poison); + EXPECT_EQ(DAG->getNode(ISD::XOR, DL, MVT::i32, Undef, Poison), Poison); + + EXPECT_EQ(DAG->getNode(ISD::XOR, DL, MVT::i32, Op, Undef), Undef); + EXPECT_EQ(DAG->getNode(ISD::XOR, DL, MVT::i32, Undef, Op), Undef); + EXPECT_EQ(DAG->getNode(ISD::XOR, DL, MVT::i32, Undef, Undef), Zero); +} |