Hoist simple check above more complex checking to avoid unnecessary
overheads. No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133824 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 13bef08..6c606be 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -2556,6 +2556,11 @@
if (isCalleeStructRet || isCallerStructRet)
return false;
+ // An stdcall caller is expected to clean up its arguments; the callee
+ // isn't going to do that.
+ if (!CCMatch && CallerCC==CallingConv::X86_StdCall)
+ return false;
+
// Do not sibcall optimize vararg calls unless all arguments are passed via
// registers.
if (isVarArg && !Outs.empty()) {
@@ -2692,11 +2697,6 @@
}
}
- // An stdcall caller is expected to clean up its arguments; the callee
- // isn't going to do that.
- if (!CCMatch && CallerCC==CallingConv::X86_StdCall)
- return false;
-
return true;
}