| Eli Friedman | 1680a24 | 2012-02-27 20:46:07 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -basicaa -dse -S | 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-S128" |
| 4 | target triple = "x86_64-apple-macosx10.8.0" |
| 5 | |
| 6 | %struct.S0 = type <{ i8, [4 x i8] }> |
| 7 | |
| 8 | @a = global { i8, i8, i8, i8, i8 } { i8 undef, i8 0, i8 0, i8 0, i8 0 }, align 8 |
| 9 | |
| 10 | define i32 @main() nounwind uwtable ssp { |
| 11 | entry: |
| 12 | %tmp = load i8* getelementptr inbounds ({ i8, i8, i8, i8, i8 }* @a, i64 0, i32 4), align 4 |
| 13 | %tmp1 = or i8 %tmp, -128 |
| 14 | store i8 %tmp1, i8* getelementptr inbounds ({ i8, i8, i8, i8, i8 }* @a, i64 0, i32 4), align 4 |
| 15 | %tmp2 = load i64* bitcast ({ i8, i8, i8, i8, i8 }* @a to i64*), align 8 |
| 16 | store i8 11, i8* getelementptr inbounds ({ i8, i8, i8, i8, i8 }* @a, i64 0, i32 4), align 4 |
| 17 | %tmp3 = trunc i64 %tmp2 to i32 |
| 18 | ret i32 %tmp3 |
| 19 | |
| 20 | ; Make sure we don't delete either store here |
| 21 | ; CHECK: @main |
| 22 | ; CHECK: store i8 %tmp1 |
| 23 | ; CHECK: store i8 11 |
| 24 | } |
| 25 | |