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https://github.com/c64scene-ar/llvm-6502.git
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b65c175d32
Remove unnecessary pandn patterns, 'vnot' patfrag looks through bitcasts git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122098 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
850 B
LLVM
27 lines
850 B
LLVM
; RUN: llc < %s -mcpu=nehalem | FileCheck %s
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define <4 x i32> @psignd(<4 x i32> %a, <4 x i32> %b) nounwind ssp {
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entry:
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; CHECK: psignd
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; CHECK-NOT: sub
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%b.lobit = ashr <4 x i32> %b, <i32 31, i32 31, i32 31, i32 31>
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%sub = sub nsw <4 x i32> zeroinitializer, %a
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%0 = xor <4 x i32> %b.lobit, <i32 -1, i32 -1, i32 -1, i32 -1>
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%1 = and <4 x i32> %a, %0
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%2 = and <4 x i32> %b.lobit, %sub
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%cond = or <4 x i32> %1, %2
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ret <4 x i32> %cond
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}
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define <4 x i32> @pblendvb(<4 x i32> %b, <4 x i32> %a, <4 x i32> %c) nounwind ssp {
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entry:
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; CHECK: pblendvb
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%b.lobit = ashr <4 x i32> %b, <i32 31, i32 31, i32 31, i32 31>
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%sub = sub nsw <4 x i32> zeroinitializer, %a
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%0 = xor <4 x i32> %b.lobit, <i32 -1, i32 -1, i32 -1, i32 -1>
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%1 = and <4 x i32> %c, %0
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%2 = and <4 x i32> %a, %b.lobit
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%cond = or <4 x i32> %1, %2
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ret <4 x i32> %cond
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}
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