llvm/test/CodeGen/X86/promote-trunc.ll
Nadav Rotem 4720611025 Fix PromoteIntRes_TRUNCATE: Add support for cases where the
source vector type is to be split while the target vector is to be promoted.
(eg: <4 x i64> -> <4 x i8> )


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133424 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-20 07:15:58 +00:00

12 lines
261 B
LLVM

; RUN: llc -promote-elements < %s -march=x86-64
define<4 x i8> @func_8_64() {
%F = load <4 x i64>* undef
%G = trunc <4 x i64> %F to <4 x i8>
%H = load <4 x i64>* undef
%Y = trunc <4 x i64> %H to <4 x i8>
%T = add <4 x i8> %Y, %G
ret <4 x i8> %T
}