| ; RUN: opt < %s -simplifycfg -S | not grep icmp |
| ; ModuleID = '/tmp/x.bc' |
| 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-pc-linux-gnu" |
| |
| define i32 @x(i32 %x) { |
| entry: |
| %cmp = icmp eq i32 %x, 8 ; <i1> [#uses=1] |
| br i1 %cmp, label %ifthen, label %ifend |
| |
| ifthen: ; preds = %entry |
| %call = call i32 (...) @foo() ; <i32> [#uses=0] |
| br label %ifend |
| |
| ifend: ; preds = %ifthen, %entry |
| %cmp2 = icmp ne i32 %x, 8 ; <i1> [#uses=1] |
| br i1 %cmp2, label %ifthen3, label %ifend5 |
| |
| ifthen3: ; preds = %ifend |
| %call4 = call i32 (...) @foo() ; <i32> [#uses=0] |
| br label %ifend5 |
| |
| ifend5: ; preds = %ifthen3, %ifend |
| %cmp7 = icmp eq i32 %x, 9 ; <i1> [#uses=1] |
| br i1 %cmp7, label %ifthen8, label %ifend10 |
| |
| ifthen8: ; preds = %ifend5 |
| %call9 = call i32 (...) @bar() ; <i32> [#uses=0] |
| br label %ifend10 |
| |
| ifend10: ; preds = %ifthen8, %ifend5 |
| %cmp12 = icmp ne i32 %x, 9 ; <i1> [#uses=1] |
| br i1 %cmp12, label %ifthen13, label %ifend15 |
| |
| ifthen13: ; preds = %ifend10 |
| %call14 = call i32 (...) @bar() ; <i32> [#uses=0] |
| br label %ifend15 |
| |
| ifend15: ; preds = %ifthen13, %ifend10 |
| ret i32 0 |
| } |
| |
| declare i32 @foo(...) |
| |
| declare i32 @bar(...) |
| |