From f6773a318f0610e152730c3e39c94dab386830bb Mon Sep 17 00:00:00 2001
From: Vsevolod Livinskiy <vsevolod.livinskij@frtk.ru>
Date: Wed, 27 Jan 2016 15:54:40 +0300
Subject: [PATCH] Add no-frame-pointer-elim attribute to all functions

---
 func.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/func.cpp b/func.cpp
index 9e689b23..2fb6b73b 100644
--- a/func.cpp
+++ b/func.cpp
@@ -248,6 +248,11 @@ Function::emitCode(FunctionEmitContext *ctx, llvm::Function *function,
     maskSymbol->pos = firstStmtPos;
     ctx->EmitVariableDebugInfo(maskSymbol);
 
+#if ISPC_LLVM_VERSION >= ISPC_LLVM_3_7 // LLVM 3.7+
+    if (g->NoOmitFramePointer)
+        function->addFnAttr("no-frame-pointer-elim", "true");
+#endif
+
 #if 0
     llvm::BasicBlock *entryBBlock = ctx->GetCurrentBasicBlock();
 #endif