[cfe-commits] r104902 - /cfe/trunk/lib/CodeGen/CGBuiltin.cpp

[Jim Grosbach]

Author: grosbach
Date: Thu May 27 18:54:20 2010
New Revision: 104902

URL: http://llvm.org/viewvc/llvm-project?rev=104902&view=rev
Log:
Update __builtin_setjmp codegen to match llvmCore changes in r104900.

Modified:
    cfe/trunk/lib/CodeGen/CGBuiltin.cpp

Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=104902&r1=104901&r2=104902&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Thu May 27 18:54:20 2010
@@ -567,6 +567,14 @@
                          ConstantInt::get(llvm::Type::getInt32Ty(VMContext), 0));
     Builder.CreateStore(FrameAddr, Buf);
 
+    // Store the stack pointer to the setjmp buffer.
+    Value *StackAddr =
+      Builder.CreateCall(CGM.getIntrinsic(Intrinsic::stacksave));
+    Value *StackSaveSlot =
+      Builder.CreateGEP(Buf, ConstantInt::get(llvm::Type::getInt32Ty(VMContext),
+                                              2));
+    Builder.CreateStore(StackAddr, StackSaveSlot);
+
     // Call LLVM's EH setjmp, which is lightweight.
     Value *F = CGM.getIntrinsic(Intrinsic::eh_sjlj_setjmp);
     Buf = Builder.CreateBitCast(Buf, llvm::Type::getInt8PtrTy(VMContext));