1 files changed, 0 insertions, 188 deletions
diff --git a/llvm/unittests/CodeGen/GlobalISel/LegalizerHelperTest.cpp b/llvm/unittests/CodeGen/GlobalISel/LegalizerHelperTest.cpp
deleted file mode 100644
index 292281a09a5..00000000000
--- a/llvm/unittests/CodeGen/GlobalISel/LegalizerHelperTest.cpp
+++ /dev/null
@@ -1,188 +0,0 @@
-//===- PatternMatchTest.cpp -----------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "LegalizerHelperTest.h"
-
-namespace {
-
-// Test CTTZ expansion when CTTZ_ZERO_UNDEF is legal or custom,
-// in which case it becomes CTTZ_ZERO_UNDEF with select.
-TEST_F(LegalizerHelperTest, LowerBitCountingCTTZ0) {
-  if (!TM)
-    return;
-
-  // Declare your legalization info
-  DefineLegalizerInfo(
-      A, { getActionDefinitionsBuilder(G_CTTZ_ZERO_UNDEF).legalFor({s64}); });
-  // Build Instr
-  auto MIBCTTZ = B.buildInstr(TargetOpcode::G_CTTZ, LLT::scalar(64), Copies[0]);
-  AInfo Info(MF->getSubtarget());
-  LegalizerHelper Helper(*MF, Info);
-  // Perform Legalization
-  ASSERT_TRUE(Helper.lower(*MIBCTTZ, 0, LLT::scalar(64)) ==
-              LegalizerHelper::LegalizeResult::Legalized);
-
-  auto CheckStr = R"(
-  CHECK: [[CZU:%[0-9]+]]:_(s64) = G_CTTZ_ZERO_UNDEF %0
-  CHECK: [[ZERO:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
-  CHECK: [[SIXTY4:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
-  CHECK: [[CMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), %0:_(s64), [[ZERO]]
-  CHECK: [[SEL:%[0-9]+]]:_(s64) = G_SELECT [[CMP]]:_(s1), [[SIXTY4]]:_, [[CZU]]
-  )";
-
-  // Check
-  ASSERT_TRUE(CheckMachineFunction(*MF, CheckStr));
-}
-
-// CTTZ expansion in terms of CTLZ
-TEST_F(LegalizerHelperTest, LowerBitCountingCTTZ1) {
-  if (!TM)
-    return;
-
-  // Declare your legalization info
-  DefineLegalizerInfo(A,
-                      { getActionDefinitionsBuilder(G_CTLZ).legalFor({s64}); });
-  // Build Instr
-  auto MIBCTTZ = B.buildInstr(TargetOpcode::G_CTTZ, LLT::scalar(64), Copies[0]);
-  AInfo Info(MF->getSubtarget());
-  LegalizerHelper Helper(*MF, Info);
-  // Perform Legalization
-  ASSERT_TRUE(Helper.lower(*MIBCTTZ, 0, LLT::scalar(64)) ==
-              LegalizerHelper::LegalizeResult::Legalized);
-
-  auto CheckStr = R"(
-  CHECK: [[NEG1:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
-  CHECK: [[NOT:%[0-9]+]]:_(s64) = G_XOR %0:_, [[NEG1]]
-  CHECK: [[SUB1:%[0-9]+]]:_(s64) = G_ADD %0:_, [[NEG1]]
-  CHECK: [[AND1:%[0-9]+]]:_(s64) = G_AND [[NOT]]:_, [[SUB1]]:_
-  CHECK: [[CST64:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
-  CHECK: [[CTLZ:%[0-9]+]]:_(s64) = G_CTLZ [[AND1]]:_
-  CHECK: G_SUB [[CST64]]:_, [[CTLZ]]:_
-  )";
-
-  // Check
-  ASSERT_TRUE(CheckMachineFunction(*MF, CheckStr));
-}
-
-// CTTZ expansion in terms of CTPOP
-TEST_F(LegalizerHelperTest, LowerBitCountingCTTZ2) {
-  if (!TM)
-    return;
-
-  // Declare your legalization info
-  DefineLegalizerInfo(
-      A, { getActionDefinitionsBuilder(G_CTPOP).legalFor({s64}); });
-  // Build
-  auto MIBCTTZ = B.buildInstr(TargetOpcode::G_CTTZ, LLT::scalar(64), Copies[0]);
-  AInfo Info(MF->getSubtarget());
-  LegalizerHelper Helper(*MF, Info);
-  ASSERT_TRUE(Helper.lower(*MIBCTTZ, 0, LLT::scalar(64)) ==
-              LegalizerHelper::LegalizeResult::Legalized);
-
-  auto CheckStr = R"(
-  CHECK: [[NEG1:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
-  CHECK: [[NOT:%[0-9]+]]:_(s64) = G_XOR %0:_, [[NEG1]]
-  CHECK: [[SUB1:%[0-9]+]]:_(s64) = G_ADD %0:_, [[NEG1]]
-  CHECK: [[AND1:%[0-9]+]]:_(s64) = G_AND [[NOT]]:_, [[SUB1]]:_
-  CHECK: [[POP:%[0-9]+]]:_(s64) = G_CTPOP [[AND1]]
-  )";
-
-  // Check
-  ASSERT_TRUE(CheckMachineFunction(*MF, CheckStr));
-}
-
-// CTTZ_ZERO_UNDEF expansion in terms of CTTZ
-TEST_F(LegalizerHelperTest, LowerBitCountingCTTZ3) {
-  if (!TM)
-    return;
-
-  // Declare your legalization info
-  DefineLegalizerInfo(A,
-                      { getActionDefinitionsBuilder(G_CTTZ).legalFor({s64}); });
-  // Build
-  auto MIBCTTZ =
-      B.buildInstr(TargetOpcode::G_CTTZ_ZERO_UNDEF, LLT::scalar(64), Copies[0]);
-  AInfo Info(MF->getSubtarget());
-  LegalizerHelper Helper(*MF, Info);
-  ASSERT_TRUE(Helper.lower(*MIBCTTZ, 0, LLT::scalar(64)) ==
-              LegalizerHelper::LegalizeResult::Legalized);
-
-  auto CheckStr = R"(
-  CHECK: CTTZ
-  )";
-
-  // Check
-  ASSERT_TRUE(CheckMachineFunction(*MF, CheckStr));
-}
-
-// CTLZ expansion in terms of CTLZ_ZERO_UNDEF
-TEST_F(LegalizerHelperTest, LowerBitCountingCTLZ0) {
-  if (!TM)
-    return;
-
-  // Declare your legalization info
-  DefineLegalizerInfo(
-      A, { getActionDefinitionsBuilder(G_CTLZ_ZERO_UNDEF).legalFor({s64}); });
-  // Build
-  auto MIBCTLZ = B.buildInstr(TargetOpcode::G_CTLZ, LLT::scalar(64), Copies[0]);
-  AInfo Info(MF->getSubtarget());
-  LegalizerHelper Helper(*MF, Info);
-  ASSERT_TRUE(Helper.lower(*MIBCTLZ, 0, LLT::scalar(64)) ==
-              LegalizerHelper::LegalizeResult::Legalized);
-
-  auto CheckStr = R"(
-  CHECK: [[CZU:%[0-9]+]]:_(s64) = G_CTLZ_ZERO_UNDEF %0
-  CHECK: [[ZERO:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
-  CHECK: [[SIXTY4:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
-  CHECK: [[CMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), %0:_(s64), [[ZERO]]
-  CHECK: [[SEL:%[0-9]+]]:_(s64) = G_SELECT [[CMP]]:_(s1), [[SIXTY4]]:_, [[CZU]]
-  )";
-
-  // Check
-  ASSERT_TRUE(CheckMachineFunction(*MF, CheckStr));
-}
-
-// CTLZ expansion
-TEST_F(LegalizerHelperTest, LowerBitCountingCTLZ1) {
-  if (!TM)
-    return;
-
-  // Declare your legalization info
-  DefineLegalizerInfo(A,
-                      { getActionDefinitionsBuilder(G_CTPOP).legalFor({s8}); });
-  // Build
-  // Trunc it to s8.
-  LLT s8{LLT::scalar(8)};
-  auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
-  auto MIBCTLZ = B.buildInstr(TargetOpcode::G_CTLZ, s8, MIBTrunc);
-  AInfo Info(MF->getSubtarget());
-  LegalizerHelper Helper(*MF, Info);
-  ASSERT_TRUE(Helper.lower(*MIBCTLZ, 0, s8) ==
-              LegalizerHelper::LegalizeResult::Legalized);
-
-  auto CheckStr = R"(
-  CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
-  CHECK: [[Cst1:%[0-9]+]]:_(s8) = G_CONSTANT i8 1
-  CHECK: [[Sh1:%[0-9]+]]:_(s8) = G_LSHR [[Trunc]]:_, [[Cst1]]:_
-  CHECK: [[Or1:%[0-9]+]]:_(s8) = G_OR [[Trunc]]:_, [[Sh1]]:_
-  CHECK: [[Cst2:%[0-9]+]]:_(s8) = G_CONSTANT i8 2
-  CHECK: [[Sh2:%[0-9]+]]:_(s8) = G_LSHR [[Or1]]:_, [[Cst2]]:_
-  CHECK: [[Or2:%[0-9]+]]:_(s8) = G_OR [[Or1]]:_, [[Sh2]]:_
-  CHECK: [[Cst4:%[0-9]+]]:_(s8) = G_CONSTANT i8 4
-  CHECK: [[Sh4:%[0-9]+]]:_(s8) = G_LSHR [[Or2]]:_, [[Cst4]]:_
-  CHECK: [[Or4:%[0-9]+]]:_(s8) = G_OR [[Or2]]:_, [[Sh4]]:_
-  CHECK: [[CTPOP:%[0-9]+]]:_(s8) = G_CTPOP [[Or4]]:_
-  CHECK: [[Len:%[0-9]+]]:_(s8) = G_CONSTANT i8 8
-  CHECK: [[Sub:%[0-9]+]]:_(s8) = G_SUB [[Len]]:_, [[CTPOP]]:_
-  )";
-
-  // Check
-  ASSERT_TRUE(CheckMachineFunction(*MF, CheckStr));
-}
-} // namespace