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-rw-r--r--gnu/llvm/unittests/MC/DwarfLineTables.cpp183
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diff --git a/gnu/llvm/unittests/MC/DwarfLineTables.cpp b/gnu/llvm/unittests/MC/DwarfLineTables.cpp
deleted file mode 100644
index 1b1a4d647ce..00000000000
--- a/gnu/llvm/unittests/MC/DwarfLineTables.cpp
+++ /dev/null
@@ -1,183 +0,0 @@
-//===- llvm/unittest/MC/DwarfLineTables.cpp ------------------------------===//
-//
-// 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/BinaryFormat/Dwarf.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCDwarf.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Support/TargetSelect.h"
-#include "gtest/gtest.h"
-
-using namespace llvm;
-
-namespace {
-struct Context {
- const char *Triple = "x86_64-pc-linux";
- std::unique_ptr<MCRegisterInfo> MRI;
- std::unique_ptr<MCAsmInfo> MAI;
- std::unique_ptr<MCContext> Ctx;
-
- Context() {
- llvm::InitializeAllTargetInfos();
- llvm::InitializeAllTargetMCs();
- llvm::InitializeAllDisassemblers();
-
- // If we didn't build x86, do not run the test.
- std::string Error;
- const Target *TheTarget = TargetRegistry::lookupTarget(Triple, Error);
- if (!TheTarget)
- return;
-
- MRI.reset(TheTarget->createMCRegInfo(Triple));
- MAI.reset(TheTarget->createMCAsmInfo(*MRI, Triple));
- Ctx = llvm::make_unique<MCContext>(MAI.get(), MRI.get(), nullptr);
- }
-
- operator bool() { return Ctx.get(); }
- operator MCContext &() { return *Ctx; };
-};
-
-Context &getContext() {
- static Context Ctxt;
- return Ctxt;
-}
-}
-
-void verifyEncoding(MCDwarfLineTableParams Params, int LineDelta, int AddrDelta,
- ArrayRef<uint8_t> ExpectedEncoding) {
- SmallString<16> Buffer;
- raw_svector_ostream EncodingOS(Buffer);
- MCDwarfLineAddr::Encode(getContext(), Params, LineDelta, AddrDelta,
- EncodingOS);
- ArrayRef<uint8_t> Encoding(reinterpret_cast<uint8_t *>(Buffer.data()),
- Buffer.size());
- EXPECT_EQ(ExpectedEncoding, Encoding);
-}
-
-TEST(DwarfLineTables, TestDefaultParams) {
- if (!getContext())
- return;
-
- MCDwarfLineTableParams Params;
-
- // Minimal line offset expressible through extended opcode, 0 addr delta
- const uint8_t Encoding0[] = {13}; // Special opcode Addr += 0, Line += -5
- verifyEncoding(Params, -5, 0, Encoding0);
-
- // Maximal line offset expressible through extended opcode,
- const uint8_t Encoding1[] = {26}; // Special opcode Addr += 0, Line += +8
- verifyEncoding(Params, 8, 0, Encoding1);
-
- // Random value in the middle of the special ocode range
- const uint8_t Encoding2[] = {146}; // Special opcode Addr += 9, Line += 2
- verifyEncoding(Params, 2, 9, Encoding2);
-
- // Minimal line offset expressible through extended opcode, max addr delta
- const uint8_t Encoding3[] = {251}; // Special opcode Addr += 17, Line += -5
- verifyEncoding(Params, -5, 17, Encoding3);
-
- // Biggest special opcode
- const uint8_t Encoding4[] = {255}; // Special opcode Addr += 17, Line += -1
- verifyEncoding(Params, -1, 17, Encoding4);
-
- // Line delta outside of the special opcode range, address delta in range
- const uint8_t Encoding5[] = {dwarf::DW_LNS_advance_line, 9,
- 158}; // Special opcode Addr += 10, Line += 0
- verifyEncoding(Params, 9, 10, Encoding5);
-
- // Address delta outside of the special opcode range, but small
- // enough to do DW_LNS_const_add_pc + special opcode.
- const uint8_t Encoding6[] = {dwarf::DW_LNS_const_add_pc, // pc += 17
- 62}; // Special opcode Addr += 3, Line += 2
- verifyEncoding(Params, 2, 20, Encoding6);
-
- // Address delta big enough to require the use of DW_LNS_advance_pc
- // Line delta in special opcode range
- const uint8_t Encoding7[] = {dwarf::DW_LNS_advance_pc, 100,
- 20}; // Special opcode Addr += 0, Line += 2
- verifyEncoding(Params, 2, 100, Encoding7);
-
- // No special opcode possible.
- const uint8_t Encoding8[] = {dwarf::DW_LNS_advance_line, 20,
- dwarf::DW_LNS_advance_pc, 100,
- dwarf::DW_LNS_copy};
- verifyEncoding(Params, 20, 100, Encoding8);
-}
-
-TEST(DwarfLineTables, TestCustomParams) {
- if (!getContext())
- return;
-
- // Some tests against the example values given in the standard.
- MCDwarfLineTableParams Params;
- Params.DWARF2LineOpcodeBase = 13;
- Params.DWARF2LineBase = -3;
- Params.DWARF2LineRange = 12;
-
- // Minimal line offset expressible through extended opcode, 0 addr delta
- const uint8_t Encoding0[] = {13}; // Special opcode Addr += 0, Line += -5
- verifyEncoding(Params, -3, 0, Encoding0);
-
- // Maximal line offset expressible through extended opcode,
- const uint8_t Encoding1[] = {24}; // Special opcode Addr += 0, Line += +8
- verifyEncoding(Params, 8, 0, Encoding1);
-
- // Random value in the middle of the special ocode range
- const uint8_t Encoding2[] = {126}; // Special opcode Addr += 9, Line += 2
- verifyEncoding(Params, 2, 9, Encoding2);
-
- // Minimal line offset expressible through extended opcode, max addr delta
- const uint8_t Encoding3[] = {253}; // Special opcode Addr += 20, Line += -3
- verifyEncoding(Params, -3, 20, Encoding3);
-
- // Biggest special opcode
- const uint8_t Encoding4[] = {255}; // Special opcode Addr += 17, Line += -1
- verifyEncoding(Params, -1, 20, Encoding4);
-
- // Line delta outside of the special opcode range, address delta in range
- const uint8_t Encoding5[] = {dwarf::DW_LNS_advance_line, 9,
- 136}; // Special opcode Addr += 10, Line += 0
- verifyEncoding(Params, 9, 10, Encoding5);
-
- // Address delta outside of the special opcode range, but small
- // enough to do DW_LNS_const_add_pc + special opcode.
- const uint8_t Encoding6[] = {dwarf::DW_LNS_const_add_pc, // pc += 20
- 138}; // Special opcode Addr += 10, Line += 2
- verifyEncoding(Params, 2, 30, Encoding6);
-
- // Address delta big enough to require the use of DW_LNS_advance_pc
- // Line delta in special opcode range
- const uint8_t Encoding7[] = {dwarf::DW_LNS_advance_pc, 100,
- 18}; // Special opcode Addr += 0, Line += 2
- verifyEncoding(Params, 2, 100, Encoding7);
-
- // No special opcode possible.
- const uint8_t Encoding8[] = {dwarf::DW_LNS_advance_line, 20,
- dwarf::DW_LNS_advance_pc, 100,
- dwarf::DW_LNS_copy};
- verifyEncoding(Params, 20, 100, Encoding8);
-}
-
-TEST(DwarfLineTables, TestCustomParams2) {
- if (!getContext())
- return;
-
- // Corner case param values.
- MCDwarfLineTableParams Params;
- Params.DWARF2LineOpcodeBase = 13;
- Params.DWARF2LineBase = 1;
- Params.DWARF2LineRange = 255;
-
- const uint8_t Encoding0[] = {dwarf::DW_LNS_advance_line, 248, 1,
- dwarf::DW_LNS_copy};
- verifyEncoding(Params, 248, 0, Encoding0);
-}
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