| ; RUN: opt < %s -simplifycfg -S | \ |
| ; RUN: not grep " switch" |
| ; PR10131 |
| |
| ; ModuleID = '<stdin>' |
| 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-f80:32:32-n8:16:32" |
| target triple = "i386-pc-linux-gnu" |
| |
| define i32 @t(i32 %m) nounwind readnone { |
| entry: |
| switch i32 %m, label %sw.bb4 [ |
| i32 0, label %sw.bb0 |
| i32 1, label %sw.bb1 |
| i32 2, label %sw.bb2 |
| i32 3, label %sw.bb3 |
| ] |
| |
| sw.bb0: ; preds = %entry |
| br label %return |
| |
| sw.bb1: ; preds = %entry |
| br label %return |
| |
| sw.bb2: ; preds = %entry |
| br label %return |
| |
| sw.bb3: ; preds = %entry |
| br label %return |
| |
| sw.bb4: ; preds = %entry |
| br label %return |
| |
| return: ; preds = %entry, %sw.bb4, %sw.bb3, %sw.bb2, %sw.bb1 |
| %retval.0 = phi i32 [ 4, %sw.bb4 ], [ 3, %sw.bb3 ], [ 2, %sw.bb2 ], [ 1, %sw.bb1 ], [ 0, %sw.bb0 ] |
| ret i32 %retval.0 |
| } |