From 5e6ebaf4d1d3043d3428b65ee8054c71c24af930 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Wed, 23 Jul 2008 00:22:17 +0000 Subject: 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 --- test/CodeGen/X86/vec_shuffle-19.ll | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 test/CodeGen/X86/vec_shuffle-19.ll (limited to 'test/CodeGen/X86/vec_shuffle-19.ll') diff --git a/test/CodeGen/X86/vec_shuffle-19.ll b/test/CodeGen/X86/vec_shuffle-19.ll new file mode 100644 index 0000000000..eeeab81362 --- /dev/null +++ b/test/CodeGen/X86/vec_shuffle-19.ll @@ -0,0 +1,8 @@ +; 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 +} -- cgit v1.2.3