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https://github.com/c64scene-ar/llvm-6502.git
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5db1eea91a
maybe even Linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115291 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
998 B
LLVM
29 lines
998 B
LLVM
; RUN: llc < %s -march=x86 -mattr=+mmx,+sse2 | grep pextrd
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; RUN: llc < %s -march=x86 -mattr=+mmx,+sse2 | grep punpckhdq | count 1
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; There are no MMX operations in bork; promoted to XMM.
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define void @bork(<1 x i64>* %x) {
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entry:
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%tmp2 = load <1 x i64>* %x ; <<1 x i64>> [#uses=1]
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%tmp6 = bitcast <1 x i64> %tmp2 to <2 x i32> ; <<2 x i32>> [#uses=1]
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%tmp9 = shufflevector <2 x i32> %tmp6, <2 x i32> undef, <2 x i32> < i32 1, i32 1 > ; <<2 x i32>> [#uses=1]
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%tmp10 = bitcast <2 x i32> %tmp9 to <1 x i64> ; <<1 x i64>> [#uses=1]
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store <1 x i64> %tmp10, <1 x i64>* %x
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tail call void @llvm.x86.mmx.emms( )
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ret void
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}
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; pork uses MMX.
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define void @pork(x86_mmx* %x) {
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entry:
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%tmp2 = load x86_mmx* %x ; <x86_mmx> [#uses=1]
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%tmp9 = tail call x86_mmx @llvm.x86.mmx.punpckhdq (x86_mmx %tmp2, x86_mmx %tmp2)
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store x86_mmx %tmp9, x86_mmx* %x
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tail call void @llvm.x86.mmx.emms( )
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ret void
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}
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declare x86_mmx @llvm.x86.mmx.punpckhdq(x86_mmx, x86_mmx)
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declare void @llvm.x86.mmx.emms()
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