| ; RUN: opt < %s -passes=gvn | llvm-dis |
| 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" |
| target triple = "i386-apple-darwin7" |
| |
| define i32 @main(i32 %argc, ptr %argv) nounwind { |
| entry: |
| br label %bb84 |
| |
| bb41: ; preds = %bb82 |
| %tmp = load i8, ptr %opt.0, align 1 ; <i8> [#uses=0] |
| %tmp1 = getelementptr i8, ptr %opt.0, i32 1 ; <ptr> [#uses=2] |
| switch i32 0, label %bb81 [ |
| i32 102, label %bb82 |
| i32 110, label %bb79 |
| i32 118, label %bb80 |
| ] |
| |
| bb79: ; preds = %bb41 |
| br label %bb82 |
| |
| bb80: ; preds = %bb41 |
| ret i32 0 |
| |
| bb81: ; preds = %bb41 |
| ret i32 1 |
| |
| bb82: ; preds = %bb84, %bb79, %bb41 |
| %opt.0 = phi ptr [ %tmp3, %bb84 ], [ %tmp1, %bb79 ], [ %tmp1, %bb41 ] ; <ptr> [#uses=3] |
| %tmp2 = load i8, ptr %opt.0, align 1 ; <i8> [#uses=0] |
| br i1 false, label %bb84, label %bb41 |
| |
| bb84: ; preds = %bb82, %entry |
| %tmp3 = getelementptr i8, ptr null, i32 1 ; <ptr> [#uses=1] |
| br label %bb82 |
| } |