| Dan Gohman | 3c7d308 | 2009-09-11 18:01:28 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -simplifycfg -S | not grep icmp |
| Eli Friedman | e0f457d | 2008-12-16 20:54:32 +0000 | [diff] [blame] | 2 | ; ModuleID = '/tmp/x.bc' |
| 3 | 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" |
| 4 | target triple = "i686-pc-linux-gnu" |
| 5 | |
| 6 | define i32 @x(i32 %x) { |
| 7 | entry: |
| 8 | %cmp = icmp eq i32 %x, 8 ; <i1> [#uses=1] |
| 9 | br i1 %cmp, label %ifthen, label %ifend |
| 10 | |
| 11 | ifthen: ; preds = %entry |
| 12 | %call = call i32 (...)* @foo() ; <i32> [#uses=0] |
| 13 | br label %ifend |
| 14 | |
| 15 | ifend: ; preds = %ifthen, %entry |
| 16 | %cmp2 = icmp ne i32 %x, 8 ; <i1> [#uses=1] |
| 17 | br i1 %cmp2, label %ifthen3, label %ifend5 |
| 18 | |
| 19 | ifthen3: ; preds = %ifend |
| 20 | %call4 = call i32 (...)* @foo() ; <i32> [#uses=0] |
| 21 | br label %ifend5 |
| 22 | |
| 23 | ifend5: ; preds = %ifthen3, %ifend |
| 24 | %cmp7 = icmp eq i32 %x, 9 ; <i1> [#uses=1] |
| 25 | br i1 %cmp7, label %ifthen8, label %ifend10 |
| 26 | |
| 27 | ifthen8: ; preds = %ifend5 |
| 28 | %call9 = call i32 (...)* @bar() ; <i32> [#uses=0] |
| 29 | br label %ifend10 |
| 30 | |
| 31 | ifend10: ; preds = %ifthen8, %ifend5 |
| 32 | %cmp12 = icmp ne i32 %x, 9 ; <i1> [#uses=1] |
| 33 | br i1 %cmp12, label %ifthen13, label %ifend15 |
| 34 | |
| 35 | ifthen13: ; preds = %ifend10 |
| 36 | %call14 = call i32 (...)* @bar() ; <i32> [#uses=0] |
| 37 | br label %ifend15 |
| 38 | |
| 39 | ifend15: ; preds = %ifthen13, %ifend10 |
| 40 | ret i32 0 |
| 41 | } |
| 42 | |
| 43 | declare i32 @foo(...) |
| 44 | |
| 45 | declare i32 @bar(...) |
| 46 | |