llvm-for-llvmta/test/CodeGen/X86/mmx-copy-gprs.ll

18 lines
610 B
LLVM

; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s
; RUN: llc < %s -mtriple=i686-- -mattr=-sse2 | FileCheck %s
; RUN: llc < %s -mtriple=i686-- -mattr=+sse2 | FileCheck %s
; This test should use GPRs to copy the mmx value, not MMX regs. Using mmx regs,
; increases the places that need to use emms.
; CHECK-NOT: %mm
; CHECK-NOT: emms
; rdar://5741668
define void @foo(<1 x i64>* %x, <1 x i64>* %y) nounwind {
entry:
%tmp1 = load <1 x i64>, <1 x i64>* %y, align 8 ; <<1 x i64>> [#uses=1]
store <1 x i64> %tmp1, <1 x i64>* %x, align 8
ret void
}