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 Workerdeclare i1 @c1() 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdeclare i1 @c2() 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine i32 @foo() { 9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @foo 10*9880d681SAndroid Build Coastguard Workerentry: 11*9880d681SAndroid Build Coastguard Worker br label %loop_begin 12*9880d681SAndroid Build Coastguard Workerloop_begin: ; preds = %loop_body.2, %entry 13*9880d681SAndroid Build Coastguard Worker br i1 true, label %loop_body.1, label %loop_exit2 14*9880d681SAndroid Build Coastguard Workerloop_body.1: ; preds = %loop_begin 15*9880d681SAndroid Build Coastguard Worker %X.1 = add i32 0, 1 ; <i32> [#uses=1] 16*9880d681SAndroid Build Coastguard Worker %rel.1 = call i1 @c1( ) ; <i1> [#uses=1] 17*9880d681SAndroid Build Coastguard Worker br i1 %rel.1, label %loop_exit, label %loop_body.2 18*9880d681SAndroid Build Coastguard Workerloop_body.2: ; preds = %loop_body.1 19*9880d681SAndroid Build Coastguard Worker %rel.2 = call i1 @c2( ) ; <i1> [#uses=1] 20*9880d681SAndroid Build Coastguard Worker br i1 %rel.2, label %loop_exit, label %loop_begin 21*9880d681SAndroid Build Coastguard Workerloop_exit: ; preds = %loop_body.2, %loop_body.1 22*9880d681SAndroid Build Coastguard Worker; CHECK: %X.1.lcssa = phi 23*9880d681SAndroid Build Coastguard Worker ret i32 %X.1 24*9880d681SAndroid Build Coastguard Workerloop_exit2: ; preds = %loop_begin 25*9880d681SAndroid Build Coastguard Worker ret i32 1 26*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: %X.1.lcssa1 27*9880d681SAndroid Build Coastguard Worker} 28*9880d681SAndroid Build Coastguard Worker 29