Revert "Revert "Rename Passes2.cpp to Passes.cpp""

This reverts commit 52507f406ee0dab26681227266ddce7c8ae6d37f.

1 files changed, 36 insertions, 0 deletions

diff --git a/src/rustllvm/Passes.cpp b/src/rustllvm/Passes.cpp
new file mode 100644
index 00000000000..dcc549b511f
--- /dev/null
+++ b/src/rustllvm/Passes.cpp
@@ -0,0 +1,36 @@
+#include "llvm/Analysis/Passes.h"
+#include "llvm/Support/PassManagerBuilder.h"
+#include "llvm/PassManager.h"
+#include "llvm-c/Core.h"
+#include <cstdlib>
+
+using namespace llvm;
+
+extern "C" void LLVMAddStandardFunctionPasses(LLVMPassManagerRef PM,
+    unsigned int OptimizationLevel) {
+  PassManagerBuilder PMBuilder;
+  PMBuilder.OptLevel = OptimizationLevel;
+  FunctionPassManager *FPM = (FunctionPassManager*) unwrap(PM);
+  PMBuilder.populateFunctionPassManager(*FPM);
+}
+
+extern "C" void LLVMAddStandardModulePasses(LLVMPassManagerRef PM,
+    unsigned int OptimizationLevel, LLVMBool OptimizeSize,
+    LLVMBool UnitAtATime, LLVMBool UnrollLoops, LLVMBool SimplifyLibCalls,
+    unsigned int InliningThreshold) {
+
+  PassManagerBuilder PMBuilder;
+  PMBuilder.OptLevel = OptimizationLevel;
+  PMBuilder.SizeLevel = OptimizeSize;
+  PMBuilder.DisableUnitAtATime = !UnitAtATime;
+  PMBuilder.DisableUnrollLoops = !UnrollLoops;
+
+  PMBuilder.DisableSimplifyLibCalls = !SimplifyLibCalls;
+
+  if (InliningThreshold)
+    PMBuilder.Inliner = createFunctionInliningPass(InliningThreshold);
+
+  PassManager *MPM = (PassManager*) unwrap(PM);
+  PMBuilder.populateModulePassManager(*MPM);
+}
+