[LLVM-C] Add bindings for addCoroutinePassesToExtensionPoints

This patch adds bindings to C and Go for
addCoroutinePassesToExtensionPoints, which is used to add coroutine
passes to the correct locations in PassManagerBuilder.

Differential Revision: https://reviews.llvm.org/D51642

Author: aykevl

llvm/bindings/go/llvm/transforms_pmbuilder.go

@@ -14,6 +14,7 @@ package llvm
 
 /*
 #include "llvm-c/Transforms/PassManagerBuilder.h"
+#include "llvm-c/Transforms/Coroutines.h"
 */
 import "C"
 
@@ -65,3 +66,7 @@ func (pmb PassManagerBuilder) SetDisableSimplifyLibCalls(val bool) {
 func (pmb PassManagerBuilder) UseInlinerWithThreshold(threshold uint) {
 	C.LLVMPassManagerBuilderUseInlinerWithThreshold(pmb.C, C.uint(threshold))
 }
+
+func (pmb PassManagerBuilder) AddCoroutinePassesToExtensionPoints() {
+	C.LLVMPassManagerBuilderAddCoroutinePassesToExtensionPoints(pmb.C);
+}

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

@@ -21,6 +21,7 @@
 
 #include "llvm-c/ExternC.h"
 #include "llvm-c/Types.h"
+#include "llvm-c/Transforms/PassManagerBuilder.h"
 
 LLVM_C_EXTERN_C_BEGIN
 
@@ -43,6 +44,9 @@ void LLVMAddCoroElidePass(LLVMPassManagerRef PM);
 /** See llvm::createCoroCleanupLegacyPass function. */
 void LLVMAddCoroCleanupPass(LLVMPassManagerRef PM);
 
+/** See llvm::addCoroutinePassesToExtensionPoints. */
+void LLVMPassManagerBuilderAddCoroutinePassesToExtensionPoints(LLVMPassManagerBuilderRef PMB);
+
 /**
  * @}
  */

llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h

@@ -14,6 +14,7 @@
 #ifndef LLVM_TRANSFORMS_IPO_PASSMANAGERBUILDER_H
 #define LLVM_TRANSFORMS_IPO_PASSMANAGERBUILDER_H
 
+#include "llvm-c/Transforms/PassManagerBuilder.h"
 #include <functional>
 #include <memory>
 #include <string>
@@ -251,5 +252,13 @@ class RegisterStandardPasses {
   }
 };
 
+inline PassManagerBuilder *unwrap(LLVMPassManagerBuilderRef P) {
+    return reinterpret_cast<PassManagerBuilder*>(P);
+}
+
+inline LLVMPassManagerBuilderRef wrap(PassManagerBuilder *P) {
+  return reinterpret_cast<LLVMPassManagerBuilderRef>(P);
+}
+
 } // end namespace llvm
 #endif

llvm/lib/Transforms/Coroutines/Coroutines.cpp

@@ -649,3 +649,9 @@ void LLVMAddCoroElidePass(LLVMPassManagerRef PM) {
 void LLVMAddCoroCleanupPass(LLVMPassManagerRef PM) {
   unwrap(PM)->add(createCoroCleanupLegacyPass());
 }
+
+void
+LLVMPassManagerBuilderAddCoroutinePassesToExtensionPoints(LLVMPassManagerBuilderRef PMB) {
+  PassManagerBuilder *Builder = unwrap(PMB);
+  addCoroutinePassesToExtensionPoints(*Builder);
+}

llvm/lib/Transforms/IPO/PassManagerBuilder.cpp

@@ -1125,14 +1125,6 @@ void PassManagerBuilder::populateLTOPassManager(legacy::PassManagerBase &PM) {
     PM.add(createVerifierPass());
 }
 
-inline PassManagerBuilder *unwrap(LLVMPassManagerBuilderRef P) {
-    return reinterpret_cast<PassManagerBuilder*>(P);
-}
-
-inline LLVMPassManagerBuilderRef wrap(PassManagerBuilder *P) {
-  return reinterpret_cast<LLVMPassManagerBuilderRef>(P);
-}
-
 LLVMPassManagerBuilderRef LLVMPassManagerBuilderCreate() {
   PassManagerBuilder *PMB = new PassManagerBuilder();
   return wrap(PMB);