| ; RUN: opt < %s -passes=instcombine -disable-output |
| 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 = "i686-apple-darwin8" |
| |
| declare void @__darwin_gcc3_preregister_frame_info() |
| |
| define void @_start(i32 %argc, ptr %argv, ptr %envp) { |
| entry: |
| %tmp2 = load i32, ptr @__darwin_gcc3_preregister_frame_info, align 4 ; <i32> [#uses=1] |
| %tmp3 = icmp ne i32 %tmp2, 0 ; <i1> [#uses=1] |
| %tmp34 = zext i1 %tmp3 to i8 ; <i8> [#uses=1] |
| %toBool = icmp ne i8 %tmp34, 0 ; <i1> [#uses=1] |
| br i1 %toBool, label %cond_true, label %return |
| |
| cond_true: ; preds = %entry |
| ret void |
| |
| return: ; preds = %entry |
| ret void |
| } |