llvm.org GIT mirror llvm / release_27 test / CodeGen / X86 / 2007-06-15-IntToMMX.ll
release_27

Tree @release_27 (Download .tar.gz)

2007-06-15-IntToMMX.ll @release_27raw · history · blame

; RUN: llc < %s -march=x86-64 -mattr=+mmx | grep paddusw
@R = external global <1 x i64>          ; <<1 x i64>*> [#uses=1]

define void @foo(<1 x i64> %A, <1 x i64> %B) {
entry:
        %tmp4 = bitcast <1 x i64> %B to <4 x i16>               ; <<4 x i16>> [#uses=1]
        %tmp6 = bitcast <1 x i64> %A to <4 x i16>               ; <<4 x i16>> [#uses=1]
        %tmp7 = tail call <4 x i16> @llvm.x86.mmx.paddus.w( <4 x i16> %tmp6, <4 x i16> %tmp4 )   ; <<4 x i16>> [#uses=1]
        %tmp8 = bitcast <4 x i16> %tmp7 to <1 x i64>            ; <<1 x i64>> [#uses=1]
        store <1 x i64> %tmp8, <1 x i64>* @R
        tail call void @llvm.x86.mmx.emms( )
        ret void
}

declare <4 x i16> @llvm.x86.mmx.paddus.w(<4 x i16>, <4 x i16>)

declare void @llvm.x86.mmx.emms()