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llvm-wrapper: adapt for LLVM API change #100627

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Aug 21, 2022
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llvm-wrapper: adapt for LLVM API change #100627

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25 changes: 23 additions & 2 deletions compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,9 @@
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#include "llvm/Transforms/IPO/AlwaysInliner.h"
#include "llvm/Transforms/IPO/FunctionImport.h"
#if LLVM_VERSION_GE(15, 0)
#include "llvm/Transforms/IPO/ThinLTOBitcodeWriter.h"
#endif
#include "llvm/Transforms/Utils/AddDiscriminators.h"
#include "llvm/Transforms/Utils/FunctionImportUtils.h"
#include "llvm/LTO/LTO.h"
Expand Down Expand Up @@ -1587,13 +1590,31 @@ LLVMRustThinLTOBufferCreate(LLVMModuleRef M, bool is_thin) {
{
raw_string_ostream OS(Ret->data);
{
legacy::PassManager PM;
if (is_thin) {
#if LLVM_VERSION_LT(15, 0)
legacy::PassManager PM;
PM.add(createWriteThinLTOBitcodePass(OS));
PM.run(*unwrap(M));
#else
PassBuilder PB;
LoopAnalysisManager LAM;
FunctionAnalysisManager FAM;
CGSCCAnalysisManager CGAM;
ModuleAnalysisManager MAM;
PB.registerModuleAnalyses(MAM);
PB.registerCGSCCAnalyses(CGAM);
PB.registerFunctionAnalyses(FAM);
PB.registerLoopAnalyses(LAM);
PB.crossRegisterProxies(LAM, FAM, CGAM, MAM);
ModulePassManager MPM;
MPM.addPass(ThinLTOBitcodeWriterPass(OS, nullptr));
MPM.run(*unwrap(M), MAM);
#endif
} else {
legacy::PassManager PM;
PM.add(createBitcodeWriterPass(OS));
PM.run(*unwrap(M));
}
PM.run(*unwrap(M));
}
}
return Ret.release();
Expand Down