| //===- CallLowering.cpp - CallLowering unit tests -------------------------===// |
| // |
| // 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 "llvm/CodeGen/GlobalISel/CallLowering.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/AsmParser/Parser.h" |
| #include "llvm/IR/LLVMContext.h" |
| #include "llvm/IR/Module.h" |
| #include "llvm/Support/SourceMgr.h" |
| #include "gtest/gtest.h" |
| |
| using namespace llvm; |
| |
| namespace { |
| struct TargetCallLoweringTest : public CallLowering, testing::Test { |
| LLVMContext C; |
| |
| public: |
| TargetCallLoweringTest() : CallLowering(nullptr) {} |
| |
| std::unique_ptr<Module> parseIR(const char *IR) { |
| SMDiagnostic Err; |
| std::unique_ptr<Module> Mod = parseAssemblyString(IR, Err, C); |
| if (!Mod) |
| Err.print("TestTargetCallLoweringTest", errs()); |
| return Mod; |
| } |
| }; |
| } // namespace |
| |
| TEST_F(TargetCallLoweringTest, ArgByRef) { |
| std::unique_ptr<Module> M = parseIR(R"( |
| define void @foo(ptr %p0, ptr byref(i32) align(4) %p1) { |
| ret void |
| } |
| )"); |
| const DataLayout &DL = M->getDataLayout(); |
| Function *F = M->getFunction("foo"); |
| // Dummy vregs. |
| SmallVector<Register, 4> VRegs(1, 1); |
| |
| CallLowering::ArgInfo Arg0(VRegs, F->getArg(0)->getType(), 0); |
| setArgFlags(Arg0, AttributeList::FirstArgIndex + 0, DL, *F); |
| EXPECT_TRUE(Arg0.Flags[0].isPointer()); |
| EXPECT_FALSE(Arg0.Flags[0].isByRef()); |
| |
| CallLowering::ArgInfo Arg1(VRegs, F->getArg(1)->getType(), 1); |
| setArgFlags(Arg1, AttributeList::FirstArgIndex + 1, DL, *F); |
| EXPECT_TRUE(Arg1.Flags[0].isPointer()); |
| EXPECT_TRUE(Arg1.Flags[0].isByRef()); |
| EXPECT_EQ(Arg1.Flags[0].getByRefSize(), 4U); |
| } |