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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=core2 | FileCheck %s3 4declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind5declare void @llvm.memcpy.inline.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind6 7define void @test1(ptr %a, ptr %b) nounwind {8; CHECK-LABEL: test1:9; CHECK: # %bb.0:10; CHECK-NEXT: movq (%rsi), %rax11; CHECK-NEXT: movq %rax, (%rdi)12; CHECK-NEXT: retq13 tail call void @llvm.memcpy.inline.p0.p0.i64(ptr %a, ptr %b, i64 8, i1 0 )14 ret void15}16 17define void @regular_memcpy_calls_external_function(ptr %a, ptr %b) nounwind {18; CHECK-LABEL: regular_memcpy_calls_external_function:19; CHECK: # %bb.0:20; CHECK-NEXT: movl $128, %edx21; CHECK-NEXT: jmp memcpy@PLT # TAILCALL22 tail call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 128, i1 0 )23 ret void24}25 26define void @inlined_copy_doesnt_call_external_function(ptr %a, ptr %b) nounwind {27; CHECK-LABEL: inlined_copy_doesnt_call_external_function:28; CHECK: # %bb.0:29; CHECK-NEXT: movl $128, %ecx30; CHECK-NEXT: rep;movsb (%rsi), %es:(%rdi)31; CHECK-NEXT: retq32 tail call void @llvm.memcpy.inline.p0.p0.i64(ptr %a, ptr %b, i64 128, i1 0 )33 ret void34}35