| Hans Wennborg | 4ab4a8e | 2011-06-18 10:28:47 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -simplifycfg -S | \ |
| 2 | ; RUN: not grep " switch" |
| 3 | ; PR10131 |
| 4 | |
| 5 | ; ModuleID = '<stdin>' |
| 6 | 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" |
| 7 | target triple = "i386-pc-linux-gnu" |
| 8 | |
| 9 | define i32 @t(i32 %m) nounwind readnone { |
| 10 | entry: |
| 11 | switch i32 %m, label %sw.bb4 [ |
| 12 | i32 0, label %sw.bb0 |
| 13 | i32 1, label %sw.bb1 |
| 14 | i32 2, label %sw.bb2 |
| 15 | i32 3, label %sw.bb3 |
| 16 | ] |
| 17 | |
| 18 | sw.bb0: ; preds = %entry |
| 19 | br label %return |
| 20 | |
| 21 | sw.bb1: ; preds = %entry |
| 22 | br label %return |
| 23 | |
| 24 | sw.bb2: ; preds = %entry |
| 25 | br label %return |
| 26 | |
| 27 | sw.bb3: ; preds = %entry |
| 28 | br label %return |
| 29 | |
| 30 | sw.bb4: ; preds = %entry |
| 31 | br label %return |
| 32 | |
| 33 | return: ; preds = %entry, %sw.bb4, %sw.bb3, %sw.bb2, %sw.bb1 |
| 34 | %retval.0 = phi i32 [ 4, %sw.bb4 ], [ 3, %sw.bb3 ], [ 2, %sw.bb2 ], [ 1, %sw.bb1 ], [ 0, %sw.bb0 ] |
| 35 | ret i32 %retval.0 |
| 36 | } |