xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1; RUN: llc < %s -combiner-alias-analysis -march=x86-64 -mcpu=core2 | FileCheck %s
2
3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
4target triple = "x86_64-apple-darwin10.4"
5declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
6
7define fastcc i32 @cli_magic_scandesc(i8* %in) nounwind ssp {
8entry:
9  %a = alloca [64 x i8]
10  %b = getelementptr inbounds [64 x i8], [64 x i8]* %a, i64 0, i32 0
11  %c = getelementptr inbounds [64 x i8], [64 x i8]* %a, i64 0, i32 30
12  %d = load i8, i8* %b, align 8
13  %e = load i8, i8* %c, align 8
14  %f = bitcast [64 x i8]* %a to i8*
15  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %f, i8* %in, i64 64, i32 8, i1 false) nounwind
16  store i8 %d, i8* %b, align 8
17  store i8 %e, i8* %c, align 8
18  ret i32 0
19}
20
21; CHECK: movq	___stack_chk_guard@GOTPCREL(%rip)
22; CHECK: movb   (%rsp), [[R1:%.+]]
23; CHECK: movb   30(%rsp), [[R0:%.+]]
24; CHECK: movb   [[R1]], (%rsp)
25; CHECK: movb   [[R0]], 30(%rsp)
26; CHECK: callq	___stack_chk_fail
27