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Remove legacy PM leftovers #108599

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merged 2 commits into from
Mar 3, 2023
Merged

Remove legacy PM leftovers #108599

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45f694d
Remove pass initialization code
nikic Mar 1, 2023
655a810
Print NewPM passes
nikic Mar 1, 2023
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2 changes: 0 additions & 2 deletions compiler/rustc_codegen_llvm/src/llvm/ffi.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1814,8 +1814,6 @@ extern "C" {
/// Creates a legacy pass manager -- only used for final codegen.
pub fn LLVMCreatePassManager<'a>() -> &'a mut PassManager<'a>;

pub fn LLVMInitializePasses();

pub fn LLVMTimeTraceProfilerInitialize();

pub fn LLVMTimeTraceProfilerFinishThread();
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2 changes: 0 additions & 2 deletions compiler/rustc_codegen_llvm/src/llvm_util.rs
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Expand Up @@ -120,8 +120,6 @@ unsafe fn configure_llvm(sess: &Session) {
llvm::LLVMTimeTraceProfilerInitialize();
}

llvm::LLVMInitializePasses();

rustc_llvm::initialize_available_targets();

llvm::LLVMRustSetLLVMOptions(llvm_args.len() as c_int, llvm_args.as_ptr());
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36 changes: 2 additions & 34 deletions compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
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Expand Up @@ -9,7 +9,6 @@
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/InitializePasses.h"
#include "llvm/IR/AutoUpgrade.h"
#include "llvm/IR/AssemblyAnnotationWriter.h"
#include "llvm/IR/IntrinsicInst.h"
Expand Down Expand Up @@ -58,22 +57,6 @@ typedef struct LLVMOpaqueTargetMachine *LLVMTargetMachineRef;
DEFINE_STDCXX_CONVERSION_FUNCTIONS(Pass, LLVMPassRef)
DEFINE_STDCXX_CONVERSION_FUNCTIONS(TargetMachine, LLVMTargetMachineRef)

extern "C" void LLVMInitializePasses() {
PassRegistry &Registry = *PassRegistry::getPassRegistry();
initializeCore(Registry);
initializeCodeGen(Registry);
initializeScalarOpts(Registry);
initializeVectorization(Registry);
initializeIPO(Registry);
initializeAnalysis(Registry);
initializeTransformUtils(Registry);
initializeInstCombine(Registry);
#if LLVM_VERSION_LT(16, 0)
initializeInstrumentation(Registry);
#endif
initializeTarget(Registry);
}

extern "C" void LLVMTimeTraceProfilerInitialize() {
timeTraceProfilerInitialize(
/* TimeTraceGranularity */ 0,
Expand Down Expand Up @@ -1004,23 +987,8 @@ LLVMRustPrintModule(LLVMModuleRef M, const char *Path, DemangleFn Demangle) {
}

extern "C" void LLVMRustPrintPasses() {
LLVMInitializePasses();
struct MyListener : PassRegistrationListener {
void passEnumerate(const PassInfo *Info) {
StringRef PassArg = Info->getPassArgument();
StringRef PassName = Info->getPassName();
if (!PassArg.empty()) {
// These unsigned->signed casts could theoretically overflow, but
// realistically never will (and even if, the result is implementation
// defined rather plain UB).
printf("%15.*s - %.*s\n", (int)PassArg.size(), PassArg.data(),
(int)PassName.size(), PassName.data());
}
}
} Listener;

PassRegistry *PR = PassRegistry::getPassRegistry();
PR->enumerateWith(&Listener);
PassBuilder PB;
PB.printPassNames(outs());
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}

extern "C" void LLVMRustRunRestrictionPass(LLVMModuleRef M, char **Symbols,
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