1; RUN: llc < %s -march=x86 -mattr=+sse2 -mattr=+mmx | grep unpcklpd 2; RUN: llc < %s -march=x86 -mattr=+sse2 -mattr=+mmx | 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 8define <2 x double> @a(<2 x i32> %x) nounwind { 9entry: 10 %y = sitofp <2 x i32> %x to <2 x double> 11 ret <2 x double> %y 12} 13 14define <2 x i32> @b(<2 x double> %x) nounwind { 15entry: 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 22define <2 x double> @a2(x86_mmx %x) nounwind { 23entry: 24 %y = tail call <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx %x) 25 ret <2 x double> %y 26} 27 28define x86_mmx @b2(<2 x double> %x) nounwind { 29entry: 30 %y = tail call x86_mmx @llvm.x86.sse.cvttpd2pi (<2 x double> %x) 31 ret x86_mmx %y 32} 33 34declare <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx) 35declare x86_mmx @llvm.x86.sse.cvttpd2pi(<2 x double>) 36