Home | History | Annotate | Download | only in X86
      1 ; RUN: llc < %s -march=x86 -mattr=+sse2 -mattr=+mmx | not grep unpcklpd
      2 ; RUN: llc < %s -march=x86 -mattr=+sse2 -mattr=+mmx | not grep unpckhpd
      3 ; RUN: llc < %s -march=x86 -mattr=+sse2 | grep cvttpd2pi | count 1
      4 ; RUN: llc < %s -march=x86 -mattr=+sse2 | grep cvtpi2pd | count 1
      5 ; originally from PR2687, but things don't work that way any more.
      6 ; there are no MMX instructions here; we use XMM.
      7 
      8 define <2 x double> @a(<2 x i32> %x) nounwind {
      9 entry:
     10   %y = sitofp <2 x i32> %x to <2 x double>
     11   ret <2 x double> %y
     12 }
     13 
     14 define <2 x i32> @b(<2 x double> %x) nounwind {
     15 entry:
     16   %y = fptosi <2 x double> %x to <2 x i32>
     17   ret <2 x i32> %y
     18 }
     19 
     20 ; This is how to get MMX instructions.
     21 
     22 define <2 x double> @a2(x86_mmx %x) nounwind {
     23 entry:
     24   %y = tail call <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx %x)
     25   ret <2 x double> %y
     26 }
     27 
     28 define x86_mmx @b2(<2 x double> %x) nounwind {
     29 entry:
     30   %y = tail call x86_mmx @llvm.x86.sse.cvttpd2pi (<2 x double> %x)
     31   ret x86_mmx %y
     32 }
     33 
     34 declare <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx)
     35 declare x86_mmx @llvm.x86.sse.cvttpd2pi(<2 x double>)
     36