From: Bill Wendling <isanbard@gmail.com>
Date: Thu, 25 Jul 2013 00:32:41 +0000 (+0000)
Subject: Replace the "NoFramePointerElimNonLeaf" target option with a function attribute.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=cab4a09d69e7cc5c2c64ec1c3d126c4d825d2b83;p=clang

Replace the "NoFramePointerElimNonLeaf" target option with a function attribute.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187092 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index 04355e252e..1bf49184fc 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/lib/CodeGen/BackendUtil.cpp
@@ -412,13 +412,10 @@ TargetMachine *EmitAssemblyHelper::CreateTargetMachine(bool MustCreateTM) {
   // Set frame pointer elimination mode.
   if (!CodeGenOpts.DisableFPElim) {
     Options.NoFramePointerElim = false;
-    Options.NoFramePointerElimNonLeaf = false;
   } else if (CodeGenOpts.OmitLeafFramePointer) {
     Options.NoFramePointerElim = false;
-    Options.NoFramePointerElimNonLeaf = true;
   } else {
     Options.NoFramePointerElim = true;
-    Options.NoFramePointerElimNonLeaf = true;
   }
 
   if (CodeGenOpts.UseInitArray)
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index 0a202ef5d4..9a38771aa4 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -1072,6 +1072,18 @@ void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI,
                            CodeGenOpts.SoftFloat ? "true" : "false");
     FuncAttrs.addAttribute("stack-protector-buffer-size",
                            llvm::utostr(CodeGenOpts.SSPBufferSize));
+
+    bool NoFramePointerElimNonLeaf;
+    if (!CodeGenOpts.DisableFPElim) {
+      NoFramePointerElimNonLeaf = false;
+    } else if (CodeGenOpts.OmitLeafFramePointer) {
+      NoFramePointerElimNonLeaf = true;
+    } else {
+      NoFramePointerElimNonLeaf = true;
+    }
+
+    FuncAttrs.addAttribute("no-frame-pointer-elim-non-leaf",
+                           NoFramePointerElimNonLeaf ? "true" : "false");
   }
 
   QualType RetTy = FI.getReturnType();