| Dan Gohman | f2f6ce6 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -simplifycfg -S | grep {volatile load} |
| Chris Lattner | f8131c9 | 2008-10-29 17:46:26 +0000 | [diff] [blame] | 2 | ; PR2967 |
| 3 | |
| 4 | target datalayout = |
| 5 | "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32" |
| 6 | target triple = "i386-pc-linux-gnu" |
| 7 | |
| 8 | define void @foo(i32 %x) nounwind { |
| 9 | entry: |
| 10 | %0 = icmp eq i32 %x, 0 ; <i1> [#uses=1] |
| 11 | br i1 %0, label %bb, label %return |
| 12 | |
| 13 | bb: ; preds = %entry |
| 14 | %1 = volatile load i32* null ; <i32> [#uses=0] |
| 15 | unreachable |
| 16 | br label %return |
| 17 | return: ; preds = %entry |
| 18 | ret void |
| 19 | } |