1ff05876fb
Reviewers: tschuett, spaits, aemerson, arsenm Reviewed By: spaits, arsenm Pull Request: https://github.com/llvm/llvm-project/pull/96805
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
//===- CallLowering.cpp - CallLowering unit tests -------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/GlobalISel/CallLowering.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/AsmParser/Parser.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Module.h"
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#include "llvm/Support/SourceMgr.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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struct TargetCallLoweringTest : public CallLowering, testing::Test {
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LLVMContext C;
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public:
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TargetCallLoweringTest() : CallLowering(nullptr) {}
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std::unique_ptr<Module> parseIR(const char *IR) {
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SMDiagnostic Err;
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std::unique_ptr<Module> Mod = parseAssemblyString(IR, Err, C);
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if (!Mod)
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Err.print("TestTargetCallLoweringTest", errs());
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return Mod;
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}
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};
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} // namespace
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TEST_F(TargetCallLoweringTest, ArgByRef) {
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std::unique_ptr<Module> M = parseIR(R"(
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define void @foo(ptr %p0, ptr byref(i32) align(4) %p1) {
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ret void
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}
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)");
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const DataLayout &DL = M->getDataLayout();
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Function *F = M->getFunction("foo");
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// Dummy vregs.
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SmallVector<Register, 4> VRegs(1, 1);
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CallLowering::ArgInfo Arg0(VRegs, F->getArg(0)->getType(), 0);
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setArgFlags(Arg0, AttributeList::FirstArgIndex + 0, DL, *F);
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EXPECT_TRUE(Arg0.Flags[0].isPointer());
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EXPECT_FALSE(Arg0.Flags[0].isByRef());
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CallLowering::ArgInfo Arg1(VRegs, F->getArg(1)->getType(), 1);
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setArgFlags(Arg1, AttributeList::FirstArgIndex + 1, DL, *F);
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EXPECT_TRUE(Arg1.Flags[0].isPointer());
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EXPECT_TRUE(Arg1.Flags[0].isByRef());
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EXPECT_EQ(Arg1.Flags[0].getByRefSize(), 4U);
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}
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