281 lines
8.9 KiB
C++
281 lines
8.9 KiB
C++
//===- MachineIRBuilderTest.cpp -------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "GISelMITest.h"
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#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
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TEST_F(GISelMITest, TestBuildConstantFConstant) {
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if (!TM)
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return;
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B.buildConstant(LLT::scalar(32), 42);
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B.buildFConstant(LLT::scalar(32), 1.0);
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B.buildConstant(LLT::vector(2, 32), 99);
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B.buildFConstant(LLT::vector(2, 32), 2.0);
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// Test APFloat overload.
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APFloat KVal(APFloat::IEEEdouble(), "4.0");
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B.buildFConstant(LLT::scalar(64), KVal);
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auto CheckStr = R"(
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CHECK: [[CONST0:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
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CHECK: [[FCONST0:%[0-9]+]]:_(s32) = G_FCONSTANT float 1.000000e+00
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CHECK: [[CONST1:%[0-9]+]]:_(s32) = G_CONSTANT i32 99
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CHECK: [[VEC0:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[CONST1]]:_(s32), [[CONST1]]:_(s32)
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CHECK: [[FCONST1:%[0-9]+]]:_(s32) = G_FCONSTANT float 2.000000e+00
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CHECK: [[VEC1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[FCONST1]]:_(s32), [[FCONST1]]:_(s32)
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CHECK: [[FCONST2:%[0-9]+]]:_(s64) = G_FCONSTANT double 4.000000e+00
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)";
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EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
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}
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#ifdef GTEST_HAS_DEATH_TEST
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#ifndef NDEBUG
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TEST_F(GISelMITest, TestBuildConstantFConstantDeath) {
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if (!TM)
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return;
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LLVMContext &Ctx = MF->getFunction().getContext();
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APInt APV32(32, 12345);
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// Test APInt version breaks
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EXPECT_DEATH(B.buildConstant(LLT::scalar(16), APV32),
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"creating constant with the wrong size");
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EXPECT_DEATH(B.buildConstant(LLT::vector(2, 16), APV32),
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"creating constant with the wrong size");
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// Test ConstantInt version breaks
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ConstantInt *CI = ConstantInt::get(Ctx, APV32);
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EXPECT_DEATH(B.buildConstant(LLT::scalar(16), *CI),
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"creating constant with the wrong size");
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EXPECT_DEATH(B.buildConstant(LLT::vector(2, 16), *CI),
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"creating constant with the wrong size");
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APFloat DoubleVal(APFloat::IEEEdouble());
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ConstantFP *CF = ConstantFP::get(Ctx, DoubleVal);
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EXPECT_DEATH(B.buildFConstant(LLT::scalar(16), *CF),
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"creating fconstant with the wrong size");
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EXPECT_DEATH(B.buildFConstant(LLT::vector(2, 16), *CF),
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"creating fconstant with the wrong size");
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}
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#endif
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#endif
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TEST_F(GISelMITest, DstOpSrcOp) {
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if (!TM)
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return;
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SmallVector<unsigned, 4> Copies;
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collectCopies(Copies, MF);
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LLT s64 = LLT::scalar(64);
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auto MIBAdd = B.buildAdd(s64, Copies[0], Copies[1]);
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// Test SrcOp and DstOp can be constructed directly from MachineOperand by
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// copying the instruction
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B.buildAdd(MIBAdd->getOperand(0), MIBAdd->getOperand(1), MIBAdd->getOperand(2));
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auto CheckStr = R"(
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; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
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; CHECK: [[ADD:%[0-9]+]]:_(s64) = G_ADD [[COPY0]]:_, [[COPY1]]:_
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; CHECK: [[ADD]]:_(s64) = G_ADD [[COPY0]]:_, [[COPY1]]:_
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)";
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EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
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}
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TEST_F(GISelMITest, BuildUnmerge) {
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if (!TM)
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return;
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SmallVector<unsigned, 4> Copies;
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collectCopies(Copies, MF);
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B.buildUnmerge(LLT::scalar(32), Copies[0]);
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B.buildUnmerge(LLT::scalar(16), Copies[1]);
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auto CheckStr = R"(
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; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
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; CHECK: [[UNMERGE32_0:%[0-9]+]]:_(s32), [[UNMERGE32_1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY0]]
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; CHECK: [[UNMERGE16_0:%[0-9]+]]:_(s16), [[UNMERGE16_1:%[0-9]+]]:_(s16), [[UNMERGE16_2:%[0-9]+]]:_(s16), [[UNMERGE16_3:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[COPY1]]
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)";
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EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
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}
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TEST_F(GISelMITest, TestBuildFPInsts) {
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if (!TM)
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return;
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SmallVector<unsigned, 4> Copies;
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collectCopies(Copies, MF);
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LLT S64 = LLT::scalar(64);
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B.buildFAdd(S64, Copies[0], Copies[1]);
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B.buildFSub(S64, Copies[0], Copies[1]);
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B.buildFMA(S64, Copies[0], Copies[1], Copies[2]);
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B.buildFNeg(S64, Copies[0]);
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B.buildFAbs(S64, Copies[0]);
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B.buildFCopysign(S64, Copies[0], Copies[1]);
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auto CheckStr = R"(
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; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
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; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
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; CHECK: [[FADD:%[0-9]+]]:_(s64) = G_FADD [[COPY0]]:_, [[COPY1]]:_
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; CHECK: [[FSUB:%[0-9]+]]:_(s64) = G_FSUB [[COPY0]]:_, [[COPY1]]:_
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; CHECK: [[FMA:%[0-9]+]]:_(s64) = G_FMA [[COPY0]]:_, [[COPY1]]:_, [[COPY2]]:_
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; CHECK: [[FNEG:%[0-9]+]]:_(s64) = G_FNEG [[COPY0]]:_
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; CHECK: [[FABS:%[0-9]+]]:_(s64) = G_FABS [[COPY0]]:_
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; CHECK: [[FCOPYSIGN:%[0-9]+]]:_(s64) = G_FCOPYSIGN [[COPY0]]:_, [[COPY1]]:_
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)";
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EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
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}
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TEST_F(GISelMITest, BuildIntrinsic) {
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if (!TM)
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return;
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LLT S64 = LLT::scalar(64);
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SmallVector<unsigned, 4> Copies;
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collectCopies(Copies, MF);
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// Make sure DstOp version works. sqrt is just a placeholder intrinsic.
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B.buildIntrinsic(Intrinsic::sqrt, {S64}, false)
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.addUse(Copies[0]);
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// Make sure register version works
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SmallVector<unsigned, 1> Results;
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Results.push_back(MRI->createGenericVirtualRegister(S64));
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B.buildIntrinsic(Intrinsic::sqrt, Results, false)
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.addUse(Copies[1]);
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auto CheckStr = R"(
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; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
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; CHECK: [[SQRT0:%[0-9]+]]:_(s64) = G_INTRINSIC intrinsic(@llvm.sqrt), [[COPY0]]:_
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; CHECK: [[SQRT1:%[0-9]+]]:_(s64) = G_INTRINSIC intrinsic(@llvm.sqrt), [[COPY1]]:_
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)";
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EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
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}
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TEST_F(GISelMITest, BuildXor) {
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if (!TM)
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return;
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LLT S64 = LLT::scalar(64);
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LLT S128 = LLT::scalar(128);
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SmallVector<unsigned, 4> Copies;
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collectCopies(Copies, MF);
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B.buildXor(S64, Copies[0], Copies[1]);
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B.buildNot(S64, Copies[0]);
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// Make sure this works with > 64-bit types
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auto Merge = B.buildMerge(S128, {Copies[0], Copies[1]});
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B.buildNot(S128, Merge);
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auto CheckStr = R"(
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; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
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; CHECK: [[XOR0:%[0-9]+]]:_(s64) = G_XOR [[COPY0]]:_, [[COPY1]]:_
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; CHECK: [[NEGONE64:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
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; CHECK: [[XOR1:%[0-9]+]]:_(s64) = G_XOR [[COPY0]]:_, [[NEGONE64]]:_
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; CHECK: [[MERGE:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[COPY0]]:_(s64), [[COPY1]]:_(s64)
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; CHECK: [[NEGONE128:%[0-9]+]]:_(s128) = G_CONSTANT i128 -1
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; CHECK: [[XOR2:%[0-9]+]]:_(s128) = G_XOR [[MERGE]]:_, [[NEGONE128]]:_
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)";
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EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
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}
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TEST_F(GISelMITest, BuildBitCounts) {
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if (!TM)
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return;
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LLT S32 = LLT::scalar(32);
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SmallVector<unsigned, 4> Copies;
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collectCopies(Copies, MF);
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B.buildCTPOP(S32, Copies[0]);
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B.buildCTLZ(S32, Copies[0]);
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B.buildCTLZ_ZERO_UNDEF(S32, Copies[1]);
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B.buildCTTZ(S32, Copies[0]);
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B.buildCTTZ_ZERO_UNDEF(S32, Copies[1]);
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auto CheckStr = R"(
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; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
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; CHECK: [[CTPOP:%[0-9]+]]:_(s32) = G_CTPOP [[COPY0]]:_
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; CHECK: [[CTLZ0:%[0-9]+]]:_(s32) = G_CTLZ [[COPY0]]:_
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; CHECK: [[CTLZ_UNDEF0:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[COPY1]]:_
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; CHECK: [[CTTZ:%[0-9]+]]:_(s32) = G_CTTZ [[COPY0]]:_
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; CHECK: [[CTTZ_UNDEF0:%[0-9]+]]:_(s32) = G_CTTZ_ZERO_UNDEF [[COPY1]]:_
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)";
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EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
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}
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TEST_F(GISelMITest, BuildCasts) {
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if (!TM)
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return;
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LLT S32 = LLT::scalar(32);
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SmallVector<unsigned, 4> Copies;
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collectCopies(Copies, MF);
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B.buildUITOFP(S32, Copies[0]);
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B.buildSITOFP(S32, Copies[0]);
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B.buildFPTOUI(S32, Copies[0]);
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B.buildFPTOSI(S32, Copies[0]);
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auto CheckStr = R"(
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; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: [[UITOFP:%[0-9]+]]:_(s32) = G_UITOFP [[COPY0]]:_
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; CHECK: [[SITOFP:%[0-9]+]]:_(s32) = G_SITOFP [[COPY0]]:_
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; CHECK: [[FPTOUI:%[0-9]+]]:_(s32) = G_FPTOUI [[COPY0]]:_
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; CHECK: [[FPTOSI:%[0-9]+]]:_(s32) = G_FPTOSI [[COPY0]]:_
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)";
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EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
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}
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TEST_F(GISelMITest, BuildMinMax) {
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if (!TM)
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return;
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LLT S64 = LLT::scalar(64);
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SmallVector<unsigned, 4> Copies;
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collectCopies(Copies, MF);
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B.buildSMin(S64, Copies[0], Copies[1]);
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B.buildSMax(S64, Copies[0], Copies[1]);
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B.buildUMin(S64, Copies[0], Copies[1]);
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B.buildUMax(S64, Copies[0], Copies[1]);
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auto CheckStr = R"(
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; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
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; CHECK: [[SMIN0:%[0-9]+]]:_(s64) = G_SMIN [[COPY0]]:_, [[COPY1]]:_
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; CHECK: [[SMAX0:%[0-9]+]]:_(s64) = G_SMAX [[COPY0]]:_, [[COPY1]]:_
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; CHECK: [[UMIN0:%[0-9]+]]:_(s64) = G_UMIN [[COPY0]]:_, [[COPY1]]:_
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; CHECK: [[UMAX0:%[0-9]+]]:_(s64) = G_UMAX [[COPY0]]:_, [[COPY1]]:_
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)";
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EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
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}
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