blob: a73a82b369717f38eee346e501d86be41b8f3506 [file] [log] [blame]
Chris Lattnerf8131c92008-10-29 17:46:26 +00001; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | grep {volatile load}
2; PR2967
3
4target 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"
6target triple = "i386-pc-linux-gnu"
7
8define void @foo(i32 %x) nounwind {
9entry:
10 %0 = icmp eq i32 %x, 0 ; <i1> [#uses=1]
11 br i1 %0, label %bb, label %return
12
13bb: ; preds = %entry
14 %1 = volatile load i32* null ; <i32> [#uses=0]
15 unreachable
16 br label %return
17return: ; preds = %entry
18 ret void
19}