1 ; RUN: opt < %s -simplifycfg -S | not grep icmp 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 47
