commit e1791d80d5c8e26cd7727524b2bf028e00998558
author Craig Topper <craig.topper@gmail.com> Thu Aug 01 06:59:29 2013 +0000
committer Craig Topper <craig.topper@gmail.com> Thu Aug 01 06:59:29 2013 +0000
tree fe78e51613754bb583c8b5e3e445057a1499f8fc
parent 2f66512a110844268c0f230ceea2c2ec1006858f

Remove more odd code that tries to account for an off by 1 problem in vec3 shuffles that doesn't really exist.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187561 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGExprScalar.cpp

diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index c0355f6..9ab111c 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -944,14 +944,6 @@
       Value *Indx = Builder.CreateExtractElement(Mask, IIndx, "shuf_idx");
       Indx = Builder.CreateZExt(Indx, CGF.Int32Ty, "idx_zext");
 
-      // Handle vec3 special since the index will be off by one for the RHS.
-      if ((LHSElts == 6) && (E->getNumSubExprs() == 3)) {
-        Value *cmpIndx, *newIndx;
-        cmpIndx = Builder.CreateICmpUGT(Indx, Builder.getInt32(3),
-                                        "cmp_shuf_idx");
-        newIndx = Builder.CreateSub(Indx, Builder.getInt32(1), "shuf_idx_adj");
-        Indx = Builder.CreateSelect(cmpIndx, newIndx, Indx, "sel_shuf_idx");
-      }
       Value *VExt = Builder.CreateExtractElement(LHS, Indx, "shuf_elt");
       NewV = Builder.CreateInsertElement(NewV, VExt, IIndx, "shuf_ins");
     }