From 1c4ecc0c739997c9a1ba863d16a9ccedb7592bcd Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 14 Apr 2006 05:09:53 +0000 Subject: [PATCH] new testcase, vector operations should be CSE'd llvm-svn: 27690 --- .../Regression/Transforms/GCSE/vectorops.ll | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 llvm/test/Regression/Transforms/GCSE/vectorops.ll diff --git a/llvm/test/Regression/Transforms/GCSE/vectorops.ll b/llvm/test/Regression/Transforms/GCSE/vectorops.ll new file mode 100644 index 000000000000..41789605445c --- /dev/null +++ b/llvm/test/Regression/Transforms/GCSE/vectorops.ll @@ -0,0 +1,26 @@ +; RUN: llvm-as < %s | opt -gcse -instcombine -disable-output && +; RUN: llvm-as < %s | opt -gcse -instcombine | llvm-dis | not grep sub + +uint %test_extractelement(<4 x uint> %V) { + %R = extractelement <4 x uint> %V, uint 1 + %R2 = extractelement <4 x uint> %V, uint 1 + %V = sub uint %R, %R2 + ret uint %V +} + +<4 x uint> %test_insertelement(<4 x uint> %V) { + %R = insertelement <4 x uint> %V, uint 0, uint 0 + %R2 = insertelement <4 x uint> %V, uint 0, uint 0 + %x = sub <4 x uint> %R, %R2 + ret <4 x uint> %x +} + +<4 x uint> %test_shufflevector(<4 x uint> %V) { + %R = shufflevector <4 x uint> %V, <4 x uint> %V, + <4 x uint> < uint 1, uint undef, uint 7, uint 2> + %R2 = shufflevector <4 x uint> %V, <4 x uint> %V, + <4 x uint> < uint 1, uint undef, uint 7, uint 2> + %x = sub <4 x uint> %R, %R2 + ret <4 x uint> %x +} +