From e46ee9aaea11f95541f0c39837b2243bebfa9898 Mon Sep 17 00:00:00 2001
From: Nate Begeman <natebegeman@mac.com>
Date: Sun, 25 Oct 2009 02:26:48 +0000
Subject: [PATCH] Add support for vector shifts, pretty straight forward.

llvm-svn: 85033
---
 clang/lib/Sema/SemaExpr.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
index b1915750c9e9..17956e65ae58 100644
--- a/clang/lib/Sema/SemaExpr.cpp
+++ b/clang/lib/Sema/SemaExpr.cpp
@@ -4406,6 +4406,10 @@ QualType Sema::CheckShiftOperands(Expr *&lex, Expr *&rex, SourceLocation Loc,
   if (!lex->getType()->isIntegerType() || !rex->getType()->isIntegerType())
     return InvalidOperands(Loc, lex, rex);
 
+  // Vector shifts promote their scalar inputs to vector type.
+  if (lex->getType()->isVectorType() || rex->getType()->isVectorType())
+    return CheckVectorOperands(Loc, lex, rex);
+
   // Shifts don't perform usual arithmetic conversions, they just do integer
   // promotions on each operand. C99 6.5.7p3
   QualType LHSTy = Context.isPromotableBitField(lex);