1 ; RUN: llc < %s -march=x86 -mattr=+sse2,+mmx | FileCheck %s 2 ; originally from PR2687, but things don't work that way any more. 3 ; there are no MMX instructions here; we use XMM. 4 5 define <2 x double> @a(<2 x i32> %x) nounwind { 6 entry: 7 ; CHECK-LABEL: a 8 ; CHECK-NOT: unpcklpd 9 %y = sitofp <2 x i32> %x to <2 x double> 10 ret <2 x double> %y 11 } 12 13 define <2 x i32> @b(<2 x double> %x) nounwind { 14 entry: 15 ; CHECK-LABEL: b 16 ; CHECK-NOT: unpckhpd 17 %y = fptosi <2 x double> %x to <2 x i32> 18 ret <2 x i32> %y 19 } 20 21 ; This is how to get MMX instructions. 22 23 define <2 x double> @a2(x86_mmx %x) nounwind { 24 entry: 25 ; CHECK-LABEL: a2 26 ; CHECK: cvtpi2pd 27 ; CHECK-NOT: cvtpi2pd 28 %y = tail call <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx %x) 29 ret <2 x double> %y 30 } 31 32 define x86_mmx @b2(<2 x double> %x) nounwind { 33 entry: 34 ; CHECK-LABEL: b2 35 ; CHECK: cvttpd2pi 36 ; CHECK-NOT: cvttpd2pi 37 %y = tail call x86_mmx @llvm.x86.sse.cvttpd2pi (<2 x double> %x) 38 ret x86_mmx %y 39 } 40 41 declare <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx) 42 declare x86_mmx @llvm.x86.sse.cvttpd2pi(<2 x double>) 43
