Allow configuring InlinerThreshold in C bindings for the new pass manager

C bindings for the new pass manager seem to allow to set any option from LLVMPassBuilderOptions, except InlinerThreshold. Allow to configure it as well.

Reviewed By: aeubanks

Differential Revision: https://reviews.llvm.org/D151832

Author: erthalion

llvm/include/llvm-c/Transforms/PassBuilder.h

@@ -99,6 +99,9 @@ void LLVMPassBuilderOptionsSetCallGraphProfile(
 void LLVMPassBuilderOptionsSetMergeFunctions(LLVMPassBuilderOptionsRef Options,
                                              LLVMBool MergeFunctions);
 
+void LLVMPassBuilderOptionsSetInlinerThreshold(
+    LLVMPassBuilderOptionsRef Options, int Threshold);
+
 /**
  * Dispose of a heap-allocated PassBuilderOptions instance
  */

llvm/lib/Passes/PassBuilderBindings.cpp

@@ -139,6 +139,11 @@ void LLVMPassBuilderOptionsSetMergeFunctions(LLVMPassBuilderOptionsRef Options,
   unwrap(Options)->PTO.MergeFunctions = MergeFunctions;
 }
 
+void LLVMPassBuilderOptionsSetInlinerThreshold(
+    LLVMPassBuilderOptionsRef Options, int Threshold) {
+  unwrap(Options)->PTO.InlinerThreshold = Threshold;
+}
+
 void LLVMDisposePassBuilderOptions(LLVMPassBuilderOptionsRef Options) {
   delete unwrap(Options);
 }