llvm/test/CodeGen/X86/i64-mem-copy.ll
2011-03-16 13:53:07 +00:00

18 lines
511 B
LLVM

; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=X64
; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s -check-prefix=X64
; X64: movq ({{%rsi|%rdx}}), %r
; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s -check-prefix=X32
; X32: movsd (%eax), %xmm
; Uses movsd to load / store i64 values if sse2 is available.
; rdar://6659858
define void @foo(i64* %x, i64* %y) nounwind {
entry:
%tmp1 = load i64* %y, align 8 ; <i64> [#uses=1]
store i64 %tmp1, i64* %x, align 8
ret void
}