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authorpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
committerpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
commitb64793999546ed8adebaeebd9d8345d18db8927d (patch)
tree4357c27b561d73b0e089727c6ed659f2ceff5f47 /gnu/llvm/unittests/Bitcode/BitReaderTest.cpp
parentAdd support for UTF-8 DISPLAY-HINTs with octet length. For now only (diff)
downloadwireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.tar.xz
wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.zip
Remove LLVM 8.0.1 files.
Diffstat (limited to 'gnu/llvm/unittests/Bitcode/BitReaderTest.cpp')
-rw-r--r--gnu/llvm/unittests/Bitcode/BitReaderTest.cpp194
1 files changed, 0 insertions, 194 deletions
diff --git a/gnu/llvm/unittests/Bitcode/BitReaderTest.cpp b/gnu/llvm/unittests/Bitcode/BitReaderTest.cpp
deleted file mode 100644
index 3b4600718b5..00000000000
--- a/gnu/llvm/unittests/Bitcode/BitReaderTest.cpp
+++ /dev/null
@@ -1,194 +0,0 @@
-//===- llvm/unittest/Bitcode/BitReaderTest.cpp - Tests for BitReader ------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/AsmParser/Parser.h"
-#include "llvm/Bitcode/BitcodeReader.h"
-#include "llvm/Bitcode/BitcodeWriter.h"
-#include "llvm/IR/LLVMContext.h"
-#include "llvm/IR/Module.h"
-#include "llvm/IR/Verifier.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/Error.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/SourceMgr.h"
-#include "gtest/gtest.h"
-
-using namespace llvm;
-
-namespace {
-
-std::unique_ptr<Module> parseAssembly(LLVMContext &Context,
- const char *Assembly) {
- SMDiagnostic Error;
- std::unique_ptr<Module> M = parseAssemblyString(Assembly, Error, Context);
-
- std::string ErrMsg;
- raw_string_ostream OS(ErrMsg);
- Error.print("", OS);
-
- // A failure here means that the test itself is buggy.
- if (!M)
- report_fatal_error(OS.str().c_str());
-
- return M;
-}
-
-static void writeModuleToBuffer(std::unique_ptr<Module> Mod,
- SmallVectorImpl<char> &Buffer) {
- raw_svector_ostream OS(Buffer);
- WriteBitcodeToFile(*Mod, OS);
-}
-
-static std::unique_ptr<Module> getLazyModuleFromAssembly(LLVMContext &Context,
- SmallString<1024> &Mem,
- const char *Assembly) {
- writeModuleToBuffer(parseAssembly(Context, Assembly), Mem);
- Expected<std::unique_ptr<Module>> ModuleOrErr =
- getLazyBitcodeModule(MemoryBufferRef(Mem.str(), "test"), Context);
- if (!ModuleOrErr)
- report_fatal_error("Could not parse bitcode module");
- return std::move(ModuleOrErr.get());
-}
-
-// Tests that lazy evaluation can parse functions out of order.
-TEST(BitReaderTest, MaterializeFunctionsOutOfOrder) {
- SmallString<1024> Mem;
- LLVMContext Context;
- std::unique_ptr<Module> M = getLazyModuleFromAssembly(
- Context, Mem, "define void @f() {\n"
- " unreachable\n"
- "}\n"
- "define void @g() {\n"
- " unreachable\n"
- "}\n"
- "define void @h() {\n"
- " unreachable\n"
- "}\n"
- "define void @j() {\n"
- " unreachable\n"
- "}\n");
- EXPECT_FALSE(verifyModule(*M, &dbgs()));
-
- Function *F = M->getFunction("f");
- Function *G = M->getFunction("g");
- Function *H = M->getFunction("h");
- Function *J = M->getFunction("j");
-
- // Initially all functions are not materialized (no basic blocks).
- EXPECT_TRUE(F->empty());
- EXPECT_TRUE(G->empty());
- EXPECT_TRUE(H->empty());
- EXPECT_TRUE(J->empty());
- EXPECT_FALSE(verifyModule(*M, &dbgs()));
-
- // Materialize h.
- ASSERT_FALSE(H->materialize());
- EXPECT_TRUE(F->empty());
- EXPECT_TRUE(G->empty());
- EXPECT_FALSE(H->empty());
- EXPECT_TRUE(J->empty());
- EXPECT_FALSE(verifyModule(*M, &dbgs()));
-
- // Materialize g.
- ASSERT_FALSE(G->materialize());
- EXPECT_TRUE(F->empty());
- EXPECT_FALSE(G->empty());
- EXPECT_FALSE(H->empty());
- EXPECT_TRUE(J->empty());
- EXPECT_FALSE(verifyModule(*M, &dbgs()));
-
- // Materialize j.
- ASSERT_FALSE(J->materialize());
- EXPECT_TRUE(F->empty());
- EXPECT_FALSE(G->empty());
- EXPECT_FALSE(H->empty());
- EXPECT_FALSE(J->empty());
- EXPECT_FALSE(verifyModule(*M, &dbgs()));
-
- // Materialize f.
- ASSERT_FALSE(F->materialize());
- EXPECT_FALSE(F->empty());
- EXPECT_FALSE(G->empty());
- EXPECT_FALSE(H->empty());
- EXPECT_FALSE(J->empty());
- EXPECT_FALSE(verifyModule(*M, &dbgs()));
-}
-
-TEST(BitReaderTest, MaterializeFunctionsForBlockAddr) { // PR11677
- SmallString<1024> Mem;
-
- LLVMContext Context;
- std::unique_ptr<Module> M = getLazyModuleFromAssembly(
- Context, Mem, "@table = constant i8* blockaddress(@func, %bb)\n"
- "define void @func() {\n"
- " unreachable\n"
- "bb:\n"
- " unreachable\n"
- "}\n");
- EXPECT_FALSE(verifyModule(*M, &dbgs()));
- EXPECT_FALSE(M->getFunction("func")->empty());
-}
-
-TEST(BitReaderTest, MaterializeFunctionsForBlockAddrInFunctionBefore) {
- SmallString<1024> Mem;
-
- LLVMContext Context;
- std::unique_ptr<Module> M = getLazyModuleFromAssembly(
- Context, Mem, "define i8* @before() {\n"
- " ret i8* blockaddress(@func, %bb)\n"
- "}\n"
- "define void @other() {\n"
- " unreachable\n"
- "}\n"
- "define void @func() {\n"
- " unreachable\n"
- "bb:\n"
- " unreachable\n"
- "}\n");
- EXPECT_TRUE(M->getFunction("before")->empty());
- EXPECT_TRUE(M->getFunction("func")->empty());
- EXPECT_FALSE(verifyModule(*M, &dbgs()));
-
- // Materialize @before, pulling in @func.
- EXPECT_FALSE(M->getFunction("before")->materialize());
- EXPECT_FALSE(M->getFunction("func")->empty());
- EXPECT_TRUE(M->getFunction("other")->empty());
- EXPECT_FALSE(verifyModule(*M, &dbgs()));
-}
-
-TEST(BitReaderTest, MaterializeFunctionsForBlockAddrInFunctionAfter) {
- SmallString<1024> Mem;
-
- LLVMContext Context;
- std::unique_ptr<Module> M = getLazyModuleFromAssembly(
- Context, Mem, "define void @func() {\n"
- " unreachable\n"
- "bb:\n"
- " unreachable\n"
- "}\n"
- "define void @other() {\n"
- " unreachable\n"
- "}\n"
- "define i8* @after() {\n"
- " ret i8* blockaddress(@func, %bb)\n"
- "}\n");
- EXPECT_TRUE(M->getFunction("after")->empty());
- EXPECT_TRUE(M->getFunction("func")->empty());
- EXPECT_FALSE(verifyModule(*M, &dbgs()));
-
- // Materialize @after, pulling in @func.
- EXPECT_FALSE(M->getFunction("after")->materialize());
- EXPECT_FALSE(M->getFunction("func")->empty());
- EXPECT_TRUE(M->getFunction("other")->empty());
- EXPECT_FALSE(verifyModule(*M, &dbgs()));
-}
-
-} // end namespace