[llvm-exegesis] Provide a way to handle memory instructions.
Summary:
And implement memory instructions on X86.
This fixes PR36906.
Reviewers: gchatelet
Reviewed By: gchatelet
Subscribers: lebedev.ri, filcab, mgorny, tschuett, RKSimon, llvm-commits
Differential Revision: https://reviews.llvm.org/D48935
llvm-svn: 338567
diff --git a/llvm/tools/llvm-exegesis/lib/Assembler.h b/llvm/tools/llvm-exegesis/lib/Assembler.h
index e9a65cb..d5b542b 100644
--- a/llvm/tools/llvm-exegesis/lib/Assembler.h
+++ b/llvm/tools/llvm-exegesis/lib/Assembler.h
@@ -39,12 +39,13 @@
// convention and target machine).
llvm::BitVector getFunctionReservedRegs(const llvm::TargetMachine &TM);
-// Creates a temporary `void foo()` function containing the provided
+// Creates a temporary `void foo(char*)` function containing the provided
// Instructions. Runs a set of llvm Passes to provide correct prologue and
// epilogue. Once the MachineFunction is ready, it is assembled for TM to
// AsmStream, the temporary function is eventually discarded.
void assembleToStream(const ExegesisTarget &ET,
std::unique_ptr<llvm::LLVMTargetMachine> TM,
+ llvm::ArrayRef<unsigned> LiveIns,
llvm::ArrayRef<unsigned> RegsToDef,
llvm::ArrayRef<llvm::MCInst> Instructions,
llvm::raw_pwrite_stream &AsmStream);
@@ -59,7 +60,7 @@
llvm::object::OwningBinary<llvm::object::ObjectFile>
getObjectFromFile(llvm::StringRef Filename);
-// Consumes an ObjectFile containing a `void foo()` function and make it
+// Consumes an ObjectFile containing a `void foo(char*)` function and make it
// executable.
struct ExecutableFunction {
explicit ExecutableFunction(
@@ -70,7 +71,9 @@
llvm::StringRef getFunctionBytes() const { return FunctionBytes; }
// Executes the function.
- void operator()() const { ((void (*)())(intptr_t)FunctionBytes.data())(); }
+ void operator()(char *Memory) const {
+ ((void (*)(char *))(intptr_t)FunctionBytes.data())(Memory);
+ }
std::unique_ptr<llvm::LLVMContext> Context;
std::unique_ptr<llvm::ExecutionEngine> ExecEngine;