llvm-6502/test/CodeGen/X86/vec_shuffle-19.ll
Evan Cheng 5e6ebaf4d1 Fix PR2485: do all 4-element SSE shuffles in max. of 2 shuffle instructions.
Based on patch by Nicolas Capens.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53939 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-23 00:22:17 +00:00

9 lines
328 B
LLVM

; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -stats -info-output-file - | grep asm-printer | grep 4
; PR2485
define <4 x i32> @t(<4 x i32> %a, <4 x i32> %b) nounwind {
entry:
%shuffle = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> < i32 4, i32 0, i32 0, i32 0 > ; <<4 x i32>> [#uses=1]
ret <4 x i32> %shuffle
}