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Merged
merged 1 commit into from
Dec 7, 2022
Merged

llvm-wrapper: adapt for an LLVM API change #105298

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11 changes: 10 additions & 1 deletion compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -205,7 +205,12 @@ enum class LLVMRustCodeModel {
None,
};

static Optional<CodeModel::Model> fromRust(LLVMRustCodeModel Model) {
#if LLVM_VERSION_LT(16, 0)
static Optional<CodeModel::Model>
#else
static std::optional<CodeModel::Model>
#endif
fromRust(LLVMRustCodeModel Model) {
switch (Model) {
case LLVMRustCodeModel::Tiny:
return CodeModel::Tiny;
Expand Down Expand Up @@ -638,7 +643,11 @@ LLVMRustOptimize(
LLVMSelfProfileInitializeCallbacks(PIC,LlvmSelfProfiler,BeforePassCallback,AfterPassCallback);
}

#if LLVM_VERSION_LT(16, 0)
Optional<PGOOptions> PGOOpt;
#else
std::optional<PGOOptions> PGOOpt;
#endif
if (PGOGenPath) {
assert(!PGOUsePath && !PGOSampleUsePath);
PGOOpt = PGOOptions(PGOGenPath, "", "", PGOOptions::IRInstr,
Expand Down
16 changes: 16 additions & 0 deletions compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,9 @@
#include "llvm/Pass.h"
#include "llvm/Bitcode/BitcodeWriter.h"
#include "llvm/Support/Signals.h"
#if LLVM_VERSION_LT(16, 0)
#include "llvm/ADT/Optional.h"
#endif

#include <iostream>

Expand Down Expand Up @@ -708,7 +710,11 @@ enum class LLVMRustChecksumKind {
SHA256,
};

#if LLVM_VERSION_LT(16, 0)
static Optional<DIFile::ChecksumKind> fromRust(LLVMRustChecksumKind Kind) {
#else
static std::optional<DIFile::ChecksumKind> fromRust(LLVMRustChecksumKind Kind) {
#endif
switch (Kind) {
case LLVMRustChecksumKind::None:
return None;
Expand Down Expand Up @@ -787,8 +793,18 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateFile(
const char *Filename, size_t FilenameLen,
const char *Directory, size_t DirectoryLen, LLVMRustChecksumKind CSKind,
const char *Checksum, size_t ChecksumLen) {

#if LLVM_VERSION_LT(16, 0)
Optional<DIFile::ChecksumKind> llvmCSKind = fromRust(CSKind);
#else
std::optional<DIFile::ChecksumKind> llvmCSKind = fromRust(CSKind);
#endif

#if LLVM_VERSION_LT(16, 0)
Optional<DIFile::ChecksumInfo<StringRef>> CSInfo{};
#else
std::optional<DIFile::ChecksumInfo<StringRef>> CSInfo{};
#endif
if (llvmCSKind)
CSInfo.emplace(*llvmCSKind, StringRef{Checksum, ChecksumLen});
return wrap(Builder->createFile(StringRef(Filename, FilenameLen),
Expand Down