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- Make foldMemoryOperandImpl aware of 256-bit zero vectors folding and support the 128-bit counterparts of AVX too. - Make sure MOV[AU]PS instructions are only selected when SSE1 is enabled, and duplicate the patterns to match AVX. - Add a testcase for a simple 128-bit zero vector creation. llvm-svn: 110946
13 lines
309 B
LLVM
13 lines
309 B
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -march=x86 -mcpu=corei7 -mattr=avx | FileCheck %s
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@z = common global <4 x float> zeroinitializer, align 16
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define void @zero() nounwind ssp {
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entry:
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; CHECK: vpxor
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; CHECK: vmovaps
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store <4 x float> zeroinitializer, <4 x float>* @z, align 16
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ret void
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}
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