[PATCH] D153107: [llvm-c] Add LLVMSetTailCallKind and LLVMGetTailCallKind

[YAMAMOTO Takashi via Phabricator via llvm-commits]

yamt created this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D153107

Files:
  llvm/include/llvm-c/Core.h
  llvm/lib/IR/Core.cpp
  llvm/tools/llvm-c-test/echo.cpp


Index: llvm/tools/llvm-c-test/echo.cpp
===================================================================
--- llvm/tools/llvm-c-test/echo.cpp
+++ llvm/tools/llvm-c-test/echo.cpp
@@ -736,7 +736,7 @@
         LLVMTypeRef FnTy = CloneType(LLVMGetCalledFunctionType(Src));
         LLVMValueRef Fn = CloneValue(LLVMGetCalledValue(Src));
         Dst = LLVMBuildCall2(Builder, FnTy, Fn, Args.data(), ArgCount, Name);
-        LLVMSetTailCall(Dst, LLVMIsTailCall(Src));
+        LLVMSetTailCallKind(Dst, LLVMGetTailCallKind(Src));
         CloneAttrs(Src, Dst);
         break;
       }
Index: llvm/lib/IR/Core.cpp
===================================================================
--- llvm/lib/IR/Core.cpp
+++ llvm/lib/IR/Core.cpp
@@ -2896,6 +2896,14 @@
   unwrap<CallInst>(Call)->setTailCall(isTailCall);
 }
 
+LLVMTailCallKind LLVMGetTailCallKind(LLVMValueRef Call) {
+  return (LLVMTailCallKind)unwrap<CallInst>(Call)->getTailCallKind();
+}
+
+void LLVMSetTailCallKind(LLVMValueRef Call, LLVMTailCallKind kind) {
+  unwrap<CallInst>(Call)->setTailCallKind((CallInst::TailCallKind)kind);
+}
+
 /*--.. Operations on invoke instructions (only) ............................--*/
 
 LLVMBasicBlockRef LLVMGetNormalDest(LLVMValueRef Invoke) {
Index: llvm/include/llvm-c/Core.h
===================================================================
--- llvm/include/llvm-c/Core.h
+++ llvm/include/llvm-c/Core.h
@@ -468,6 +468,18 @@
   LLVMAttributeFunctionIndex = -1,
 };
 
+/**
+ * Tail call kind for LLVMSetTailCallKind and LLVMGetTailCallKind.
+ *
+ * Note that 'musttail' implies 'tail'.
+ */
+typedef enum {
+  LLVMTailCallKindNone = 0,
+  LLVMTailCallKindTail = 1,
+  LLVMTailCallKindMustTail = 2,
+  LLVMTailCallKindNoTail = 3,
+} LLVMTailCallKind;
+
 typedef unsigned LLVMAttributeIndex;
 
 /**
@@ -3429,6 +3441,20 @@
  */
 void LLVMSetTailCall(LLVMValueRef CallInst, LLVMBool IsTailCall);
 
+/**
+ * Obtain a tail call kind of the call instruction.
+ *
+ * @see llvm::CallInst::setTailCallKind()
+ */
+LLVMTailCallKind LLVMGetTailCallKind(LLVMValueRef CallInst);
+
+/**
+ * Set the call kind of the call instruction.
+ *
+ * @see llvm::CallInst::getTailCallKind()
+ */
+void LLVMSetTailCallKind(LLVMValueRef CallInst, LLVMTailCallKind kind);
+
 /**
  * Return the normal destination basic block.
  *


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