summaryrefslogtreecommitdiffstats
path: root/llvm/unittests/CodeGen/GlobalISel/MachineIRBuilderTest.cpp
blob: f9ce4241b50bd608f132c6099aac78d191338bfe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
//===- 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.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: [[FADD:%[0-9]+]]:_(s64) = G_FADD [[COPY0]]:_, [[COPY1]]:_
  ; CHECK: [[FSUB:%[0-9]+]]:_(s64) = G_FSUB [[COPY0]]:_, [[COPY1]]:_
  ; 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;
}
OpenPOWER on IntegriCloud