53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
//===------- VFABIUtils.cpp - VFABI Unittests ----------------------------===//
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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/AsmParser/Parser.h"
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#include "llvm/IR/InstIterator.h"
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#include "llvm/IR/Instructions.h"
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#include "llvm/IR/Module.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Transforms/Utils/ModuleUtils.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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class VFABIAttrTest : public testing::Test {
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protected:
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void SetUp() override {
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M = parseAssemblyString(IR, Err, Ctx);
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// Get the only call instruction in the block, which is the first
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// instruction.
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CI = dyn_cast<CallInst>(&*(instructions(M->getFunction("f")).begin()));
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}
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const char *IR = "define i32 @f(i32 %a) {\n"
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" %1 = call i32 @g(i32 %a) #0\n"
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" ret i32 %1\n"
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"}\n"
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"declare i32 @g(i32)\n"
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"declare <2 x i32> @custom_vg(<2 x i32>)"
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"declare <4 x i32> @_ZGVnN4v_g(<4 x i32>)"
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"declare <8 x i32> @_ZGVnN8v_g(<8 x i32>)"
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"attributes #0 = { "
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"\"vector-function-abi-variant\"=\""
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"_ZGVnN2v_g(custom_vg),_ZGVnN4v_g\" }";
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LLVMContext Ctx;
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SMDiagnostic Err;
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std::unique_ptr<Module> M;
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CallInst *CI;
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SmallVector<std::string, 8> Mappings;
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};
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TEST_F(VFABIAttrTest, Write) {
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Mappings.push_back("_ZGVnN8v_g");
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Mappings.push_back("_ZGVnN2v_g(custom_vg)");
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VFABI::setVectorVariantNames(CI, Mappings);
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const StringRef S =
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CI->getFnAttr("vector-function-abi-variant").getValueAsString();
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EXPECT_EQ(S, "_ZGVnN8v_g,_ZGVnN2v_g(custom_vg)");
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}
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