1 ; RUN: opt < %s -gvn | llvm-dis
2 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
3 target triple = "i386-apple-darwin7"
5 define i32 @main(i32 %argc, i8** %argv) nounwind {
10 %tmp = load i8* %opt.0, align 1 ; <i8> [#uses=0]
11 %tmp1 = getelementptr i8* %opt.0, i32 1 ; <i8*> [#uses=2]
12 switch i32 0, label %bb81 [
27 bb82: ; preds = %bb84, %bb79, %bb41
28 %opt.0 = phi i8* [ %tmp3, %bb84 ], [ %tmp1, %bb79 ], [ %tmp1, %bb41 ] ; <i8*> [#uses=3]
29 %tmp2 = load i8* %opt.0, align 1 ; <i8> [#uses=0]
30 br i1 false, label %bb84, label %bb41
32 bb84: ; preds = %bb82, %entry
33 %tmp3 = getelementptr i8* null, i32 1 ; <i8*> [#uses=1]