Setjmp should always return zero if we don't implement longjmp. This avoids
leaving trash in the register, fixing anagram
llvm-svn: 7013
diff --git a/llvm/lib/Target/X86/InstSelectSimple.cpp b/llvm/lib/Target/X86/InstSelectSimple.cpp
index e57a6ab..b2e11ba 100644
--- a/llvm/lib/Target/X86/InstSelectSimple.cpp
+++ b/llvm/lib/Target/X86/InstSelectSimple.cpp
@@ -981,6 +981,8 @@
case LLVMIntrinsic::longjmp:
BuildMI(X86::CALLpcrel32, 1).addExternalSymbol("abort", true);
case LLVMIntrinsic::setjmp:
+ // Setjmp always returns zero...
+ BuildMI(BB, X86::MOVir32, 1, getReg(CI)).addZImm(0);
return;
default: assert(0 && "Unknown intrinsic for X86!");
}