llvm-project/llvm/test/CodeGen/X86/2007-07-03-GR64ToVR64.ll

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx | FileCheck %s
@R = external global x86_mmx ; <x86_mmx*> [#uses=1]
2008-05-06 02:24:33 +08:00
define void @foo(<1 x i64> %A, <1 x i64> %B) nounwind {
; CHECK-LABEL: foo:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: movq %rsi, %mm0
; CHECK-NEXT: movq %rdi, %mm1
; CHECK-NEXT: paddusw %mm0, %mm1
; CHECK-NEXT: movq _R@{{.*}}(%rip), %rax
; CHECK-NEXT: movq %mm1, (%rax)
; CHECK-NEXT: emms
; CHECK-NEXT: retq
entry:
%tmp4 = bitcast <1 x i64> %B to x86_mmx ; <<4 x i16>> [#uses=1]
%tmp6 = bitcast <1 x i64> %A to x86_mmx ; <<4 x i16>> [#uses=1]
%tmp7 = tail call x86_mmx @llvm.x86.mmx.paddus.w( x86_mmx %tmp6, x86_mmx %tmp4 ) ; <x86_mmx> [#uses=1]
store x86_mmx %tmp7, x86_mmx* @R
tail call void @llvm.x86.mmx.emms( )
ret void
}
declare x86_mmx @llvm.x86.mmx.paddus.w(x86_mmx, x86_mmx)
declare void @llvm.x86.mmx.emms()