Ok for vector_shuffle mask to contain undef elements.

[oota-llvm.git] / lib / Target / PowerPC / README_ALTIVEC.txt

diff --git a/lib/Target/PowerPC/README_ALTIVEC.txt b/lib/Target/PowerPC/README_ALTIVEC.txt
index d4c944b6de7b594a2eccc0483d6a02fe7073c2f2..123a6321df35082f862b2dc3920b578d5e14ac26 100644 (file)
--- a/lib/Target/PowerPC/README_ALTIVEC.txt
+++ b/lib/Target/PowerPC/README_ALTIVEC.txt
@@ -145,3 +145,7 @@ Should turn into one "." compare instruction, not a dot and "nondot" form.
 
 //===----------------------------------------------------------------------===//
 
+Instcombine llvm.ppc.altivec.vperm with an immediate into a shuffle operation.
+
+//===----------------------------------------------------------------------===//
+