| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2,+mmx | FileCheck %s |
| |
| ; Originally from PR2687, but things don't work that way any more. |
| ; there are no MMX instructions here; we use XMM. |
| |
| define <2 x double> @a(<2 x i32> %x) nounwind { |
| ; CHECK-LABEL: a: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] |
| ; CHECK-NEXT: cvtdq2pd %xmm0, %xmm0 |
| ; CHECK-NEXT: retl |
| entry: |
| %y = sitofp <2 x i32> %x to <2 x double> |
| ret <2 x double> %y |
| } |
| |
| define <2 x i32> @b(<2 x double> %x) nounwind { |
| ; CHECK-LABEL: b: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: cvttpd2dq %xmm0, %xmm0 |
| ; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,1,1,3] |
| ; CHECK-NEXT: retl |
| entry: |
| %y = fptosi <2 x double> %x to <2 x i32> |
| ret <2 x i32> %y |
| } |
| |
| ; This is how to get MMX instructions. |
| |
| define <2 x double> @a2(x86_mmx %x) nounwind { |
| ; CHECK-LABEL: a2: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: cvtpi2pd %mm0, %xmm0 |
| ; CHECK-NEXT: retl |
| entry: |
| %y = tail call <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx %x) |
| ret <2 x double> %y |
| } |
| |
| define x86_mmx @b2(<2 x double> %x) nounwind { |
| ; CHECK-LABEL: b2: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: cvttpd2pi %xmm0, %mm0 |
| ; CHECK-NEXT: retl |
| entry: |
| %y = tail call x86_mmx @llvm.x86.sse.cvttpd2pi (<2 x double> %x) |
| ret x86_mmx %y |
| } |
| |
| declare <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx) |
| declare x86_mmx @llvm.x86.sse.cvttpd2pi(<2 x double>) |