| John Bauman | 66b8ab2 | 2014-05-06 15:57:45 -0400 | [diff] [blame] | 1 | ; RUN: llc < %s -combiner-alias-analysis -march=x86-64 -mcpu=core2 | FileCheck %s |
| 2 | |
| 3 | target 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" |
| 4 | target triple = "x86_64-apple-darwin10.4" |
| 5 | declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind |
| 6 | |
| 7 | define fastcc i32 @cli_magic_scandesc(i8* %in) nounwind ssp { |
| 8 | entry: |
| 9 | %a = alloca [64 x i8] |
| 10 | %b = getelementptr inbounds [64 x i8]* %a, i64 0, i32 0 |
| 11 | %c = getelementptr inbounds [64 x i8]* %a, i64 0, i32 30 |
| 12 | %d = load i8* %b, align 8 |
| 13 | %e = load 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 38(%rsp), [[R0:%.+]] |
| 23 | ; CHECK: movb 8(%rsp), [[R1:%.+]] |
| 24 | ; CHECK: movb [[R1]], 8(%rsp) |
| 25 | ; CHECK: movb [[R0]], 38(%rsp) |
| 26 | ; CHECK: callq ___stack_chk_fail |
