1*1ff05876Sdarkbuck //===- CallLowering.cpp - CallLowering unit tests -------------------------===//
2*1ff05876Sdarkbuck //
3*1ff05876Sdarkbuck // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*1ff05876Sdarkbuck // See https://llvm.org/LICENSE.txt for license information.
5*1ff05876Sdarkbuck // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*1ff05876Sdarkbuck //
7*1ff05876Sdarkbuck //===----------------------------------------------------------------------===//
8*1ff05876Sdarkbuck
9*1ff05876Sdarkbuck #include "llvm/CodeGen/GlobalISel/CallLowering.h"
10*1ff05876Sdarkbuck #include "llvm/ADT/StringRef.h"
11*1ff05876Sdarkbuck #include "llvm/AsmParser/Parser.h"
12*1ff05876Sdarkbuck #include "llvm/IR/LLVMContext.h"
13*1ff05876Sdarkbuck #include "llvm/IR/Module.h"
14*1ff05876Sdarkbuck #include "llvm/Support/SourceMgr.h"
15*1ff05876Sdarkbuck #include "gtest/gtest.h"
16*1ff05876Sdarkbuck
17*1ff05876Sdarkbuck using namespace llvm;
18*1ff05876Sdarkbuck
19*1ff05876Sdarkbuck namespace {
20*1ff05876Sdarkbuck struct TargetCallLoweringTest : public CallLowering, testing::Test {
21*1ff05876Sdarkbuck LLVMContext C;
22*1ff05876Sdarkbuck
23*1ff05876Sdarkbuck public:
TargetCallLoweringTest__anon9d43ddf30111::TargetCallLoweringTest24*1ff05876Sdarkbuck TargetCallLoweringTest() : CallLowering(nullptr) {}
25*1ff05876Sdarkbuck
parseIR__anon9d43ddf30111::TargetCallLoweringTest26*1ff05876Sdarkbuck std::unique_ptr<Module> parseIR(const char *IR) {
27*1ff05876Sdarkbuck SMDiagnostic Err;
28*1ff05876Sdarkbuck std::unique_ptr<Module> Mod = parseAssemblyString(IR, Err, C);
29*1ff05876Sdarkbuck if (!Mod)
30*1ff05876Sdarkbuck Err.print("TestTargetCallLoweringTest", errs());
31*1ff05876Sdarkbuck return Mod;
32*1ff05876Sdarkbuck }
33*1ff05876Sdarkbuck };
34*1ff05876Sdarkbuck } // namespace
35*1ff05876Sdarkbuck
TEST_F(TargetCallLoweringTest,ArgByRef)36*1ff05876Sdarkbuck TEST_F(TargetCallLoweringTest, ArgByRef) {
37*1ff05876Sdarkbuck std::unique_ptr<Module> M = parseIR(R"(
38*1ff05876Sdarkbuck define void @foo(ptr %p0, ptr byref(i32) align(4) %p1) {
39*1ff05876Sdarkbuck ret void
40*1ff05876Sdarkbuck }
41*1ff05876Sdarkbuck )");
42*1ff05876Sdarkbuck const DataLayout &DL = M->getDataLayout();
43*1ff05876Sdarkbuck Function *F = M->getFunction("foo");
44*1ff05876Sdarkbuck // Dummy vregs.
45*1ff05876Sdarkbuck SmallVector<Register, 4> VRegs(1, 1);
46*1ff05876Sdarkbuck
47*1ff05876Sdarkbuck CallLowering::ArgInfo Arg0(VRegs, F->getArg(0)->getType(), 0);
48*1ff05876Sdarkbuck setArgFlags(Arg0, AttributeList::FirstArgIndex + 0, DL, *F);
49*1ff05876Sdarkbuck EXPECT_TRUE(Arg0.Flags[0].isPointer());
50*1ff05876Sdarkbuck EXPECT_FALSE(Arg0.Flags[0].isByRef());
51*1ff05876Sdarkbuck
52*1ff05876Sdarkbuck CallLowering::ArgInfo Arg1(VRegs, F->getArg(1)->getType(), 1);
53*1ff05876Sdarkbuck setArgFlags(Arg1, AttributeList::FirstArgIndex + 1, DL, *F);
54*1ff05876Sdarkbuck EXPECT_TRUE(Arg1.Flags[0].isPointer());
55*1ff05876Sdarkbuck EXPECT_TRUE(Arg1.Flags[0].isByRef());
56*1ff05876Sdarkbuck EXPECT_EQ(Arg1.Flags[0].getByRefSize(), 4U);
57*1ff05876Sdarkbuck }
58