mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-19 19:12:56 +02:00
dc91ae935f
The previous names were both misleading (the MachineLegalizer actually contained the info tables) and inconsistent with the selector & translator (in having a "Machine") prefix. This should make everything sensible again. The only functional change is the name of a couple of command-line options. llvm-svn: 284287
121 lines
4.5 KiB
C++
121 lines
4.5 KiB
C++
//===- llvm/unittest/CodeGen/GlobalISel/LegalizerInfoTest.cpp -------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
|
|
#include "llvm/Target/TargetOpcodes.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
|
|
// Define a couple of pretty printers to help debugging when things go wrong.
|
|
namespace llvm {
|
|
std::ostream &
|
|
operator<<(std::ostream &OS, const llvm::LegalizerInfo::LegalizeAction Act) {
|
|
switch (Act) {
|
|
case LegalizerInfo::Lower: OS << "Lower"; break;
|
|
case LegalizerInfo::Legal: OS << "Legal"; break;
|
|
case LegalizerInfo::NarrowScalar: OS << "NarrowScalar"; break;
|
|
case LegalizerInfo::WidenScalar: OS << "WidenScalar"; break;
|
|
case LegalizerInfo::FewerElements: OS << "FewerElements"; break;
|
|
case LegalizerInfo::MoreElements: OS << "MoreElements"; break;
|
|
case LegalizerInfo::Libcall: OS << "Libcall"; break;
|
|
case LegalizerInfo::Custom: OS << "Custom"; break;
|
|
case LegalizerInfo::Unsupported: OS << "Unsupported"; break;
|
|
case LegalizerInfo::NotFound: OS << "NotFound";
|
|
}
|
|
return OS;
|
|
}
|
|
|
|
std::ostream &
|
|
operator<<(std::ostream &OS, const llvm::LLT Ty) {
|
|
std::string Repr;
|
|
raw_string_ostream SS{Repr};
|
|
Ty.print(SS);
|
|
OS << SS.str();
|
|
return OS;
|
|
}
|
|
}
|
|
|
|
namespace {
|
|
|
|
|
|
TEST(LegalizerInfoTest, ScalarRISC) {
|
|
using namespace TargetOpcode;
|
|
LegalizerInfo L;
|
|
// Typical RISCy set of operations based on AArch64.
|
|
L.setAction({G_ADD, LLT::scalar(8)}, LegalizerInfo::WidenScalar);
|
|
L.setAction({G_ADD, LLT::scalar(16)}, LegalizerInfo::WidenScalar);
|
|
L.setAction({G_ADD, LLT::scalar(32)}, LegalizerInfo::Legal);
|
|
L.setAction({G_ADD, LLT::scalar(64)}, LegalizerInfo::Legal);
|
|
L.computeTables();
|
|
|
|
// Check we infer the correct types and actually do what we're told.
|
|
ASSERT_EQ(L.getAction({G_ADD, LLT::scalar(8)}),
|
|
std::make_pair(LegalizerInfo::WidenScalar, LLT::scalar(32)));
|
|
ASSERT_EQ(L.getAction({G_ADD, LLT::scalar(16)}),
|
|
std::make_pair(LegalizerInfo::WidenScalar, LLT::scalar(32)));
|
|
ASSERT_EQ(L.getAction({G_ADD, LLT::scalar(32)}),
|
|
std::make_pair(LegalizerInfo::Legal, LLT::scalar(32)));
|
|
ASSERT_EQ(L.getAction({G_ADD, LLT::scalar(64)}),
|
|
std::make_pair(LegalizerInfo::Legal, LLT::scalar(64)));
|
|
|
|
// Make sure the default for over-sized types applies.
|
|
ASSERT_EQ(L.getAction({G_ADD, LLT::scalar(128)}),
|
|
std::make_pair(LegalizerInfo::NarrowScalar, LLT::scalar(64)));
|
|
}
|
|
|
|
TEST(LegalizerInfoTest, VectorRISC) {
|
|
using namespace TargetOpcode;
|
|
LegalizerInfo L;
|
|
// Typical RISCy set of operations based on ARM.
|
|
L.setScalarInVectorAction(G_ADD, LLT::scalar(8), LegalizerInfo::Legal);
|
|
L.setScalarInVectorAction(G_ADD, LLT::scalar(16), LegalizerInfo::Legal);
|
|
L.setScalarInVectorAction(G_ADD, LLT::scalar(32), LegalizerInfo::Legal);
|
|
|
|
L.setAction({G_ADD, LLT::vector(8, 8)}, LegalizerInfo::Legal);
|
|
L.setAction({G_ADD, LLT::vector(16, 8)}, LegalizerInfo::Legal);
|
|
L.setAction({G_ADD, LLT::vector(4, 16)}, LegalizerInfo::Legal);
|
|
L.setAction({G_ADD, LLT::vector(8, 16)}, LegalizerInfo::Legal);
|
|
L.setAction({G_ADD, LLT::vector(2, 32)}, LegalizerInfo::Legal);
|
|
L.setAction({G_ADD, LLT::vector(4, 32)}, LegalizerInfo::Legal);
|
|
L.computeTables();
|
|
|
|
// Check we infer the correct types and actually do what we're told for some
|
|
// simple cases.
|
|
ASSERT_EQ(L.getAction({G_ADD, LLT::vector(2, 8)}),
|
|
std::make_pair(LegalizerInfo::MoreElements, LLT::vector(8, 8)));
|
|
ASSERT_EQ(L.getAction({G_ADD, LLT::vector(8, 8)}),
|
|
std::make_pair(LegalizerInfo::Legal, LLT::vector(8, 8)));
|
|
ASSERT_EQ(
|
|
L.getAction({G_ADD, LLT::vector(8, 32)}),
|
|
std::make_pair(LegalizerInfo::FewerElements, LLT::vector(4, 32)));
|
|
}
|
|
|
|
TEST(LegalizerInfoTest, MultipleTypes) {
|
|
using namespace TargetOpcode;
|
|
LegalizerInfo L;
|
|
LLT p0 = LLT::pointer(0, 64);
|
|
LLT s32 = LLT::scalar(32);
|
|
LLT s64 = LLT::scalar(64);
|
|
|
|
// Typical RISCy set of operations based on AArch64.
|
|
L.setAction({G_PTRTOINT, 0, s64}, LegalizerInfo::Legal);
|
|
L.setAction({G_PTRTOINT, 1, p0}, LegalizerInfo::Legal);
|
|
|
|
L.setAction({G_PTRTOINT, 0, s32}, LegalizerInfo::WidenScalar);
|
|
L.computeTables();
|
|
|
|
// Check we infer the correct types and actually do what we're told.
|
|
ASSERT_EQ(L.getAction({G_PTRTOINT, 0, s64}),
|
|
std::make_pair(LegalizerInfo::Legal, s64));
|
|
ASSERT_EQ(L.getAction({G_PTRTOINT, 1, p0}),
|
|
std::make_pair(LegalizerInfo::Legal, p0));
|
|
}
|
|
}
|