| ; 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 | |
| } |