xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/2009-11-16-UnfoldMemOpBug.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; rdar://7396984
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker@str = private unnamed_addr constant [28 x i8] c"xxxxxxxxxxxxxxxxxxxxxxxxxxx\00", align 1
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine void @t(i32 %count) ssp nounwind {
7*9880d681SAndroid Build Coastguard Workerentry:
8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t:
9*9880d681SAndroid Build Coastguard Worker; CHECK: movups L_str+12(%rip), %xmm0
10*9880d681SAndroid Build Coastguard Worker; CHECK: movups L_str(%rip), %xmm1
11*9880d681SAndroid Build Coastguard Worker  %tmp0 = alloca [60 x i8], align 1
12*9880d681SAndroid Build Coastguard Worker  %tmp1 = getelementptr inbounds [60 x i8], [60 x i8]* %tmp0, i64 0, i64 0
13*9880d681SAndroid Build Coastguard Worker  br label %bb1
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerbb1:
16*9880d681SAndroid Build Coastguard Worker; CHECK: LBB0_1:
17*9880d681SAndroid Build Coastguard Worker; CHECK: movups %xmm0, 12(%rsp)
18*9880d681SAndroid Build Coastguard Worker; CHECK: movaps %xmm1, (%rsp)
19*9880d681SAndroid Build Coastguard Worker  %tmp2 = phi i32 [ %tmp3, %bb1 ], [ 0, %entry ]
20*9880d681SAndroid Build Coastguard Worker  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp1, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @str, i64 0, i64 0), i64 28, i32 1, i1 false)
21*9880d681SAndroid Build Coastguard Worker  %tmp3 = add i32 %tmp2, 1
22*9880d681SAndroid Build Coastguard Worker  %tmp4 = icmp eq i32 %tmp3, %count
23*9880d681SAndroid Build Coastguard Worker  br i1 %tmp4, label %bb2, label %bb1
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workerbb2:
26*9880d681SAndroid Build Coastguard Worker  ret void
27*9880d681SAndroid Build Coastguard Worker}
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
30