xref: /llvm-project/llvm/test/CodeGen/X86/memcpy-from-string.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s | FileCheck %s --check-prefix=X86
3
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7%0 = type { %1, i64, %2 }
8%1 = type { ptr }
9%2 = type { i64, [8 x i8] }
10
11@0 = internal constant [10 x i8] c"asdf jkl;\00", align 1
12
13; Memcpy lowering should emit stores of immediates containing string data from
14; the correct offsets.
15
16define void @foo(ptr %tmp2) {
17; X86-LABEL: foo:
18; X86:       # %bb.0:
19; X86-NEXT:    movl $3894379, 3(%rdi) # imm = 0x3B6C6B
20; X86-NEXT:    movl $1802117222, (%rdi) # imm = 0x6B6A2066
21; X86-NEXT:    retq
22  call void @llvm.memcpy.p0.p0.i64(ptr %tmp2, ptr getelementptr inbounds ([10 x i8], ptr @0, i64 0, i64 3), i64 7, i1 false)
23  ret void
24}
25
26declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1)
27