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Add FFI bindings for LLVM's Module::getInstructionCount() #65720

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Merged
merged 1 commit into from
Nov 5, 2019
Merged

Add FFI bindings for LLVM's Module::getInstructionCount() #65720

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1 change: 1 addition & 0 deletions src/librustc_codegen_llvm/llvm/ffi.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1729,6 +1729,7 @@ extern "C" {
) -> LLVMRustResult;
pub fn LLVMRustSetLLVMOptions(Argc: c_int, Argv: *const *const c_char);
pub fn LLVMRustPrintPasses();
pub fn LLVMRustGetInstructionCount(M: &Module) -> u32;
pub fn LLVMRustSetNormalizedTarget(M: &Module, triple: *const c_char);
pub fn LLVMRustAddAlwaysInlinePass(P: &PassManagerBuilder, AddLifetimes: bool);
pub fn LLVMRustRunRestrictionPass(M: &Module, syms: *const *const c_char, len: size_t);
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8 changes: 8 additions & 0 deletions src/rustllvm/RustWrapper.cpp
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Expand Up @@ -87,6 +87,14 @@ extern "C" char *LLVMRustGetLastError(void) {
return Ret;
}

extern "C" unsigned int LLVMRustGetInstructionCount(LLVMModuleRef M) {
#if LLVM_VERSION_GE(7, 0)
return unwrap(M)->getInstructionCount();
#else
report_fatal_error("Module::getInstructionCount not available before LLVM 7");
#endif
}

extern "C" void LLVMRustSetLastError(const char *Err) {
free((void *)LastError);
LastError = strdup(Err);
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