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//===- MachineIRBuilderTest.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 "GISelMITest.h"
#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
TEST_F(GISelMITest, TestBuildConstantFConstant) {
if (!TM)
return;
B.buildConstant(LLT::scalar(32), 42);
B.buildFConstant(LLT::scalar(32), 1.0);
B.buildConstant(LLT::vector(2, 32), 99);
B.buildFConstant(LLT::vector(2, 32), 2.0);
// Test APFloat overload.
APFloat KVal(APFloat::IEEEdouble(), "4.0");
B.buildFConstant(LLT::scalar(64), KVal);
auto CheckStr = R"(
CHECK: [[CONST0:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
CHECK: [[FCONST0:%[0-9]+]]:_(s32) = G_FCONSTANT float 1.000000e+00
CHECK: [[CONST1:%[0-9]+]]:_(s32) = G_CONSTANT i32 99
CHECK: [[VEC0:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[CONST1]]:_(s32), [[CONST1]]:_(s32)
CHECK: [[FCONST1:%[0-9]+]]:_(s32) = G_FCONSTANT float 2.000000e+00
CHECK: [[VEC1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[FCONST1]]:_(s32), [[FCONST1]]:_(s32)
CHECK: [[FCONST2:%[0-9]+]]:_(s64) = G_FCONSTANT double 4.000000e+00
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
#ifdef GTEST_HAS_DEATH_TEST
#ifndef NDEBUG
TEST_F(GISelMITest, TestBuildConstantFConstantDeath) {
if (!TM)
return;
LLVMContext &Ctx = MF->getFunction().getContext();
APInt APV32(32, 12345);
// Test APInt version breaks
EXPECT_DEATH(B.buildConstant(LLT::scalar(16), APV32),
"creating constant with the wrong size");
EXPECT_DEATH(B.buildConstant(LLT::vector(2, 16), APV32),
"creating constant with the wrong size");
// Test ConstantInt version breaks
ConstantInt *CI = ConstantInt::get(Ctx, APV32);
EXPECT_DEATH(B.buildConstant(LLT::scalar(16), *CI),
"creating constant with the wrong size");
EXPECT_DEATH(B.buildConstant(LLT::vector(2, 16), *CI),
"creating constant with the wrong size");
APFloat DoubleVal(APFloat::IEEEdouble());
ConstantFP *CF = ConstantFP::get(Ctx, DoubleVal);
EXPECT_DEATH(B.buildFConstant(LLT::scalar(16), *CF),
"creating fconstant with the wrong size");
EXPECT_DEATH(B.buildFConstant(LLT::vector(2, 16), *CF),
"creating fconstant with the wrong size");
}
#endif
#endif
TEST_F(GISelMITest, DstOpSrcOp) {
if (!TM)
return;
SmallVector<unsigned, 4> Copies;
collectCopies(Copies, MF);
LLT s64 = LLT::scalar(64);
auto MIBAdd = B.buildAdd(s64, Copies[0], Copies[1]);
// Test SrcOp and DstOp can be constructed directly from MachineOperand by
// copying the instruction
B.buildAdd(MIBAdd->getOperand(0), MIBAdd->getOperand(1), MIBAdd->getOperand(2));
auto CheckStr = R"(
; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[ADD:%[0-9]+]]:_(s64) = G_ADD [[COPY0]]:_, [[COPY1]]:_
; CHECK: [[ADD]]:_(s64) = G_ADD [[COPY0]]:_, [[COPY1]]:_
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(GISelMITest, BuildUnmerge) {
if (!TM)
return;
SmallVector<unsigned, 4> Copies;
collectCopies(Copies, MF);
B.buildUnmerge(LLT::scalar(32), Copies[0]);
B.buildUnmerge(LLT::scalar(16), Copies[1]);
auto CheckStr = R"(
; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[UNMERGE32_0:%[0-9]+]]:_(s32), [[UNMERGE32_1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY0]]
; 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]]
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(GISelMITest, TestBuildFPInsts) {
if (!TM)
return;
SmallVector<unsigned, 4> Copies;
collectCopies(Copies, MF);
LLT S64 = LLT::scalar(64);
B.buildFAdd(S64, Copies[0], Copies[1]);
B.buildFSub(S64, Copies[0], Copies[1]);
B.buildFMA(S64, Copies[0], Copies[1], Copies[2]);
B.buildFNeg(S64, Copies[0]);
B.buildFAbs(S64, Copies[0]);
B.buildFCopysign(S64, Copies[0], Copies[1]);
auto CheckStr = R"(
; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[FADD:%[0-9]+]]:_(s64) = G_FADD [[COPY0]]:_, [[COPY1]]:_
; CHECK: [[FSUB:%[0-9]+]]:_(s64) = G_FSUB [[COPY0]]:_, [[COPY1]]:_
; CHECK: [[FMA:%[0-9]+]]:_(s64) = G_FMA [[COPY0]]:_, [[COPY1]]:_, [[COPY2]]:_
; CHECK: [[FNEG:%[0-9]+]]:_(s64) = G_FNEG [[COPY0]]:_
; CHECK: [[FABS:%[0-9]+]]:_(s64) = G_FABS [[COPY0]]:_
; CHECK: [[FCOPYSIGN:%[0-9]+]]:_(s64) = G_FCOPYSIGN [[COPY0]]:_, [[COPY1]]:_
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(GISelMITest, BuildIntrinsic) {
if (!TM)
return;
LLT S64 = LLT::scalar(64);
SmallVector<unsigned, 4> Copies;
collectCopies(Copies, MF);
// Make sure DstOp version works. sqrt is just a placeholder intrinsic.
B.buildIntrinsic(Intrinsic::sqrt, {S64}, false)
.addUse(Copies[0]);
// Make sure register version works
SmallVector<unsigned, 1> Results;
Results.push_back(MRI->createGenericVirtualRegister(S64));
B.buildIntrinsic(Intrinsic::sqrt, Results, false)
.addUse(Copies[1]);
auto CheckStr = R"(
; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[SQRT0:%[0-9]+]]:_(s64) = G_INTRINSIC intrinsic(@llvm.sqrt), [[COPY0]]:_
; CHECK: [[SQRT1:%[0-9]+]]:_(s64) = G_INTRINSIC intrinsic(@llvm.sqrt), [[COPY1]]:_
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(GISelMITest, BuildXor) {
if (!TM)
return;
LLT S64 = LLT::scalar(64);
LLT S128 = LLT::scalar(128);
SmallVector<unsigned, 4> Copies;
collectCopies(Copies, MF);
B.buildXor(S64, Copies[0], Copies[1]);
B.buildNot(S64, Copies[0]);
// Make sure this works with > 64-bit types
auto Merge = B.buildMerge(S128, {Copies[0], Copies[1]});
B.buildNot(S128, Merge);
auto CheckStr = R"(
; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[XOR0:%[0-9]+]]:_(s64) = G_XOR [[COPY0]]:_, [[COPY1]]:_
; CHECK: [[NEGONE64:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
; CHECK: [[XOR1:%[0-9]+]]:_(s64) = G_XOR [[COPY0]]:_, [[NEGONE64]]:_
; CHECK: [[MERGE:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[COPY0]]:_(s64), [[COPY1]]:_(s64)
; CHECK: [[NEGONE128:%[0-9]+]]:_(s128) = G_CONSTANT i128 -1
; CHECK: [[XOR2:%[0-9]+]]:_(s128) = G_XOR [[MERGE]]:_, [[NEGONE128]]:_
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
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