From 90c6e0172a7eb6a142a1e6cb93c3a5dcd694e26d Mon Sep 17 00:00:00 2001
From: Andrey Shishpanov <shishpanov2010@yandex.ru>
Date: Tue, 28 Jul 2015 18:35:58 +0300
Subject: [PATCH] some fixes for new LLVM API

---
 ctx.cpp  | 13 ++++++++++++-
 ispc.cpp |  4 +++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/ctx.cpp b/ctx.cpp
index 50b03653..8690c9b8 100644
--- a/ctx.cpp
+++ b/ctx.cpp
@@ -380,11 +380,22 @@ FunctionEmitContext::FunctionEmitContext(Function *func, Symbol *funSym,
         llvm::DICompositeType diSubprogramType_n =
             static_cast<llvm::DICompositeType>(diSubprogramType);
         int flags = llvm::DIDescriptor::FlagPrototyped;
-#else /* LLVM 3.7+ */
+#elif ISPC_LLVM_VERSION == ISPC_LLVM_3_7 /* LLVM 3.7 */
         Assert(llvm::isa<llvm::DICompositeTypeBase>(diSubprogramType));
         llvm::DISubroutineType *diSubprogramType_n =
             llvm::cast<llvm::DISubroutineType>(getDICompositeType(diSubprogramType));
         int flags = llvm::DINode::FlagPrototyped;
+#else /* LLVM 3.8+ */
+        Assert(llvm::isa<llvm::DICompositeType>(diSubprogramType));
+        llvm::DICompositeType *C = llvm::dyn_cast_or_null<llvm::DICompositeType>(diSubprogramType);
+        if (!C){
+            llvm::DITypeIdentifierMap EmptyMap;
+            C = llvm::dyn_cast_or_null<llvm::DICompositeType>(llvm::dyn_cast_or_null<llvm::DIDerivedType>(diSubprogramType)->getBaseType().resolve(EmptyMap));
+        }   //restored function getDICompositeType() from 3.7 which absents in 3.8
+        llvm::DISubroutineType *diSubprogramType_n =
+            llvm::cast<llvm::DISubroutineType>(C);
+        int flags = llvm::DINode::FlagPrototyped;
+
 #endif
 
         std::string mangledName = llvmFunction->getName();
diff --git a/ispc.cpp b/ispc.cpp
index 3b92fa05..5438a4e4 100644
--- a/ispc.cpp
+++ b/ispc.cpp
@@ -1044,7 +1044,9 @@ Target::Target(const char *arch, const char *cpu, const char *isa, bool pic, boo
         std::string dl_string;
 #if ISPC_LLVM_VERSION == ISPC_LLVM_3_6
         dl_string = m_targetMachine->getSubtargetImpl()->getDataLayout()->getStringRepresentation();
-#else // LLVM 3.5- or LLVM 3.7+
+#elif ISPC_LLVM_VERSION >= ISPC_LLVM_3_8 // LLVM 3.8+
+        dl_string = m_targetMachine->createDataLayout().getStringRepresentation();
+#else // LLVM 3.5- or LLVM 3.7
         dl_string = m_targetMachine->getDataLayout()->getStringRepresentation();
 #endif
         // 2. Adjust for generic