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      1 ; RUN: llc < %s -march=x86 -mattr=+mmx,+sse42 -mtriple=x86_64-apple-darwin10 | FileCheck %s
      2 ; There are no MMX operations in bork; promoted to XMM.
      3 
      4 define void @bork(<1 x i64>* %x) {
      5 ; CHECK: bork
      6 ; CHECK: pextrd
      7 entry:
      8 	%tmp2 = load <1 x i64>* %x		; <<1 x i64>> [#uses=1]
      9 	%tmp6 = bitcast <1 x i64> %tmp2 to <2 x i32>		; <<2 x i32>> [#uses=1]
     10 	%tmp9 = shufflevector <2 x i32> %tmp6, <2 x i32> undef, <2 x i32> < i32 1, i32 1 >		; <<2 x i32>> [#uses=1]
     11 	%tmp10 = bitcast <2 x i32> %tmp9 to <1 x i64>		; <<1 x i64>> [#uses=1]
     12 	store <1 x i64> %tmp10, <1 x i64>* %x
     13 	tail call void @llvm.x86.mmx.emms( )
     14 	ret void
     15 }
     16 
     17 ; pork uses MMX.
     18 
     19 define void @pork(x86_mmx* %x) {
     20 ; CHECK: pork
     21 ; CHECK: punpckhdq
     22 entry:
     23 	%tmp2 = load x86_mmx* %x		; <x86_mmx> [#uses=1]
     24         %tmp9 = tail call x86_mmx @llvm.x86.mmx.punpckhdq (x86_mmx %tmp2, x86_mmx %tmp2)
     25 	store x86_mmx %tmp9, x86_mmx* %x
     26 	tail call void @llvm.x86.mmx.emms( )
     27 	ret void
     28 }
     29 
     30 declare x86_mmx @llvm.x86.mmx.punpckhdq(x86_mmx, x86_mmx)
     31 declare void @llvm.x86.mmx.emms()
     32