llvm-project/llvm/test/CodeGen/X86/i64-mem-copy.ll

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385 B
LLVM

; RUN: llvm-as < %s | llc -march=x86-64 | grep {movq.*(%rsi), %rax}
; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep {movsd.*(%eax),}
; 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
}