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llvm-mirror/test/CodeGen/X86/small-byval-memcpy.ll

26 lines
810 B
LLVM

; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core2 | FileCheck %s --check-prefix=CORE2
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=nehalem | FileCheck %s --check-prefix=NEHALEM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=btver2 | FileCheck %s --check-prefix=BTVER2
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1)
define void @copy16bytes(i8* nocapture %a, i8* nocapture readonly %b) {
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 16, i32 1, i1 false)
ret void
; CHECK-LABEL: copy16bytes
; CORE2: movq
; CORE2-NEXT: movq
; CORE2-NEXT: movq
; CORE2-NEXT: movq
; CORE2-NEXT: retq
; NEHALEM: movups
; NEHALEM-NEXT: movups
; NEHALEM-NEXT: retq
; BTVER2: movups
; BTVER2-NEXT: movups
; BTVER2-NEXT: retq
}