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; 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>)
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