From 874cc6c51c55c9b8a321db6266b906d19b260b76 Mon Sep 17 00:00:00 2001
From: Svyatoslav Scherbina <svyatoslav.scherbina@jetbrains.com>
Date: Wed, 12 Jan 2022 17:44:27 +0300
Subject: [PATCH] Native: add LLVMSetNoTailCall to LLVM C API

---
 .../llvmCoverageMappingC/src/main/cpp/CoverageMappingC.cpp | 7 ++++++-
 .../src/main/include/CoverageMappingC.h                    | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/kotlin-native/llvmCoverageMappingC/src/main/cpp/CoverageMappingC.cpp b/kotlin-native/llvmCoverageMappingC/src/main/cpp/CoverageMappingC.cpp
index 52663cb8b32..bf85398a3c8 100644
--- a/kotlin-native/llvmCoverageMappingC/src/main/cpp/CoverageMappingC.cpp
+++ b/kotlin-native/llvmCoverageMappingC/src/main/cpp/CoverageMappingC.cpp
@@ -16,6 +16,7 @@
 #include <llvm/IR/DerivedTypes.h>
 #include <llvm/IR/Constants.h>
 #include <llvm/IR/Intrinsics.h>
+#include <llvm/IR/Instructions.h>
 #include <llvm/IR/LegacyPassManager.h>
 #include <llvm/Analysis/TargetLibraryInfo.h>
 #include <llvm/Transforms/Instrumentation.h>
@@ -262,4 +263,8 @@ void LLVMKotlinInitializeTargets() {
 #endif
 
 #undef INIT_LLVM_TARGET
-}
\ No newline at end of file
+}
+
+void LLVMSetNoTailCall(LLVMValueRef Call) {
+  unwrap<CallInst>(Call)->setTailCallKind(CallInst::TCK_NoTail);
+}
diff --git a/kotlin-native/llvmCoverageMappingC/src/main/include/CoverageMappingC.h b/kotlin-native/llvmCoverageMappingC/src/main/include/CoverageMappingC.h
index 56f9765660f..dfc21b780f7 100644
--- a/kotlin-native/llvmCoverageMappingC/src/main/include/CoverageMappingC.h
+++ b/kotlin-native/llvmCoverageMappingC/src/main/include/CoverageMappingC.h
@@ -78,6 +78,8 @@ void LLVMAddObjCARCContractPass(LLVMPassManagerRef passManagerRef);
 
 void LLVMKotlinInitializeTargets();
 
+void LLVMSetNoTailCall(LLVMValueRef Call);
+
 # ifdef __cplusplus
 }
 # endif