Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/2011-12-26-extractelement-duplicate-load.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | afa8332a0e37 |
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; RUN: llc -march=x86-64 -mattr=-sse4.2,+sse4.1 < %s | FileCheck %s ; Make sure we don't load from the location pointed to by %p ; twice: it has non-obvious performance implications, and ; the relevant transformation doesn't know how to update ; the chains correctly. ; PR10747 ; CHECK-LABEL: test: ; CHECK: pextrd $2, %xmm define <4 x i32> @test(<4 x i32>* %p) { %v = load <4 x i32>* %p %e = extractelement <4 x i32> %v, i32 2 %cmp = icmp eq i32 %e, 3 %sel = select i1 %cmp, <4 x i32> %v, <4 x i32> zeroinitializer ret <4 x i32> %sel }