1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=core2 | FileCheck %s
3
4declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) nounwind
5declare void @llvm.memset.inline.p0.i64(ptr nocapture, i8, i64, i1) nounwind
6
7define void @test1(ptr %a, i8 %value) nounwind {
8; CHECK-LABEL: test1:
9; CHECK:       # %bb.0:
10; CHECK-NEXT:    # kill: def $esi killed $esi def $rsi
11; CHECK-NEXT:    movzbl %sil, %eax
12; CHECK-NEXT:    movabsq $72340172838076673, %rcx # imm = 0x101010101010101
13; CHECK-NEXT:    imulq %rax, %rcx
14; CHECK-NEXT:    movq %rcx, (%rdi)
15; CHECK-NEXT:    retq
16  tail call void @llvm.memset.inline.p0.i64(ptr %a, i8 %value, i64 8, i1 0)
17  ret void
18}
19
20define void @regular_memset_calls_external_function(ptr %a, i8 %value) nounwind {
21; CHECK-LABEL: regular_memset_calls_external_function:
22; CHECK:       # %bb.0:
23; CHECK-NEXT:    movl $1024, %edx # imm = 0x400
24; CHECK-NEXT:    jmp memset@PLT # TAILCALL
25  tail call void @llvm.memset.p0.i64(ptr %a, i8 %value, i64 1024, i1 0)
26  ret void
27}
28
29define void @inlined_set_doesnt_call_external_function(ptr %a, i8 %value) nounwind {
30; CHECK-LABEL: inlined_set_doesnt_call_external_function:
31; CHECK:       # %bb.0:
32; CHECK-NEXT:    # kill: def $esi killed $esi def $rsi
33; CHECK-NEXT:    movzbl %sil, %ecx
34; CHECK-NEXT:    movabsq $72340172838076673, %rax # imm = 0x101010101010101
35; CHECK-NEXT:    imulq %rcx, %rax
36; CHECK-NEXT:    movq %rax, 1016(%rdi)
37; CHECK-NEXT:    movq %rax, 1008(%rdi)
38  tail call void @llvm.memset.inline.p0.i64(ptr %a, i8 %value, i64 1024, i1 0)
39  ret void
40}
41