1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -lcssa -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -passes=lcssa -S | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Workerdefine void @lcssa(i1 %S2) { 5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @lcssa 6*9880d681SAndroid Build Coastguard Workerentry: 7*9880d681SAndroid Build Coastguard Worker br label %loop.interior 8*9880d681SAndroid Build Coastguard Workerloop.interior: ; preds = %post.if, %entry 9*9880d681SAndroid Build Coastguard Worker br i1 %S2, label %if.true, label %if.false 10*9880d681SAndroid Build Coastguard Workerif.true: ; preds = %loop.interior 11*9880d681SAndroid Build Coastguard Worker %X1 = add i32 0, 0 ; <i32> [#uses=1] 12*9880d681SAndroid Build Coastguard Worker br label %post.if 13*9880d681SAndroid Build Coastguard Workerif.false: ; preds = %loop.interior 14*9880d681SAndroid Build Coastguard Worker %X2 = add i32 0, 1 ; <i32> [#uses=1] 15*9880d681SAndroid Build Coastguard Worker br label %post.if 16*9880d681SAndroid Build Coastguard Workerpost.if: ; preds = %if.false, %if.true 17*9880d681SAndroid Build Coastguard Worker %X3 = phi i32 [ %X1, %if.true ], [ %X2, %if.false ] ; <i32> [#uses=1] 18*9880d681SAndroid Build Coastguard Worker br i1 %S2, label %loop.exit, label %loop.interior 19*9880d681SAndroid Build Coastguard Workerloop.exit: ; preds = %post.if 20*9880d681SAndroid Build Coastguard Worker; CHECK: %X3.lcssa = phi i32 21*9880d681SAndroid Build Coastguard Worker; CHECK: %X4 = add i32 3, %X3.lcssa 22*9880d681SAndroid Build Coastguard Worker %X4 = add i32 3, %X3 ; <i32> [#uses=0] 23*9880d681SAndroid Build Coastguard Worker ret void 24*9880d681SAndroid Build Coastguard Worker} 25*9880d681SAndroid Build Coastguard Worker 26