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; RUN: llc -march=x86-64 -mattr=+mmx -stop-after finalize-isel -o - %s | FileCheck %s
; This test ensures that the MXCSR is implicitly used by MMX FP instructions.
define x86_mmx @stack_fold_cvtps2pi(<4 x float> %a0) {
%1 = call x86_mmx @llvm.x86.sse.cvtps2pi(<4 x float> %a0)
%2 = call <4 x float> @llvm.x86.sse.cvtpi2ps(<4 x float> %a0, x86_mmx %1)
%3 = call x86_mmx @llvm.x86.sse.cvttps2pi(<4 x float> %2)
%4 = call <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx %3)
%5 = call x86_mmx @llvm.x86.sse.cvtpd2pi(<2 x double> %4)
ret x86_mmx %5
}
declare x86_mmx @llvm.x86.sse.cvtps2pi(<4 x float>)
declare<4 x float> @llvm.x86.sse.cvtpi2ps(<4 x float>, x86_mmx)
declare x86_mmx @llvm.x86.sse.cvttps2pi(<4 x float>)
declare <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx)
declare x86_mmx @llvm.x86.sse.cvtpd2pi(<2 x double>)
; CHECK: MMX_CVTPS2PIirr %0, implicit $mxcsr
; CHECK: MMX_CVTPI2PSirr %0, killed %1, implicit $mxcsr
; CHECK: MMX_CVTTPS2PIirr killed %2, implicit $mxcsr
; CHECK: MMX_CVTPI2PDirr killed %3{{$}}
; CHECK: MMX_CVTPD2PIirr killed %4, implicit $mxcsr
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