From 5068ae1ca05b2be0c2a98206a58d894aa620b312 Mon Sep 17 00:00:00 2001 From: Rich Kadel Date: Wed, 3 Jun 2020 21:19:34 -0700 Subject: [WIP] injects llvm intrinsic instrprof.increment for coverage reports This initial version only injects counters at the top of each function. Rust Coverage will require injecting additional counters at each conditional code branch. --- src/rustllvm/RustWrapper.cpp | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/rustllvm/RustWrapper.cpp') diff --git a/src/rustllvm/RustWrapper.cpp b/src/rustllvm/RustWrapper.cpp index 4704622922a..cdb3a157eab 100644 --- a/src/rustllvm/RustWrapper.cpp +++ b/src/rustllvm/RustWrapper.cpp @@ -5,6 +5,7 @@ #include "llvm/IR/DiagnosticPrinter.h" #include "llvm/IR/GlobalVariable.h" #include "llvm/IR/Instructions.h" +#include "llvm/IR/Intrinsics.h" #include "llvm/Object/Archive.h" #include "llvm/Object/ObjectFile.h" #include "llvm/Bitcode/BitcodeWriterPass.h" @@ -1364,6 +1365,11 @@ extern "C" LLVMValueRef LLVMRustBuildCall(LLVMBuilderRef B, LLVMValueRef Fn, unwrap(Fn), makeArrayRef(unwrap(Args), NumArgs), Bundles)); } +extern "C" LLVMValueRef LLVMRustGetInstrprofIncrementIntrinsic(LLVMModuleRef M) { + return wrap(llvm::Intrinsic::getDeclaration(unwrap(M), + (llvm::Intrinsic::ID)llvm::Intrinsic::instrprof_increment)); +} + extern "C" LLVMValueRef LLVMRustBuildMemCpy(LLVMBuilderRef B, LLVMValueRef Dst, unsigned DstAlign, LLVMValueRef Src, unsigned SrcAlign, -- cgit 1.4.1-3-g733a5