1*9880d681SAndroid Build Coastguard Worker; This testcase was extracted from the gzip SPEC benchmark 2*9880d681SAndroid Build Coastguard Worker; 3*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -adce 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker@bk = external global i32 ; <i32*> [#uses=2] 6*9880d681SAndroid Build Coastguard Worker@hufts = external global i32 ; <i32*> [#uses=1] 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine i32 @inflate() { 9*9880d681SAndroid Build Coastguard Workerbb0: 10*9880d681SAndroid Build Coastguard Worker br label %bb2 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerbb2: ; preds = %bb6, %bb0 13*9880d681SAndroid Build Coastguard Worker %reg128 = phi i32 [ %reg130, %bb6 ], [ 0, %bb0 ] ; <i32> [#uses=2] 14*9880d681SAndroid Build Coastguard Worker br i1 true, label %bb4, label %bb3 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerbb3: ; preds = %bb2 17*9880d681SAndroid Build Coastguard Worker br label %UnifiedExitNode 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Workerbb4: ; preds = %bb2 20*9880d681SAndroid Build Coastguard Worker %reg117 = load i32, i32* @hufts ; <i32> [#uses=2] 21*9880d681SAndroid Build Coastguard Worker %cond241 = icmp ule i32 %reg117, %reg128 ; <i1> [#uses=1] 22*9880d681SAndroid Build Coastguard Worker br i1 %cond241, label %bb6, label %bb5 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Workerbb5: ; preds = %bb4 25*9880d681SAndroid Build Coastguard Worker br label %bb6 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Workerbb6: ; preds = %bb5, %bb4 28*9880d681SAndroid Build Coastguard Worker %reg130 = phi i32 [ %reg117, %bb5 ], [ %reg128, %bb4 ] ; <i32> [#uses=1] 29*9880d681SAndroid Build Coastguard Worker br i1 false, label %bb2, label %bb7 30*9880d681SAndroid Build Coastguard Worker 31*9880d681SAndroid Build Coastguard Workerbb7: ; preds = %bb6 32*9880d681SAndroid Build Coastguard Worker %reg126 = load i32, i32* @bk ; <i32> [#uses=1] 33*9880d681SAndroid Build Coastguard Worker %cond247 = icmp ule i32 %reg126, 7 ; <i1> [#uses=1] 34*9880d681SAndroid Build Coastguard Worker br i1 %cond247, label %bb9, label %bb8 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Workerbb8: ; preds = %bb8, %bb7 37*9880d681SAndroid Build Coastguard Worker %reg119 = load i32, i32* @bk ; <i32> [#uses=1] 38*9880d681SAndroid Build Coastguard Worker %cond256 = icmp ugt i32 %reg119, 7 ; <i1> [#uses=1] 39*9880d681SAndroid Build Coastguard Worker br i1 %cond256, label %bb8, label %bb9 40*9880d681SAndroid Build Coastguard Worker 41*9880d681SAndroid Build Coastguard Workerbb9: ; preds = %bb8, %bb7 42*9880d681SAndroid Build Coastguard Worker br label %UnifiedExitNode 43*9880d681SAndroid Build Coastguard Worker 44*9880d681SAndroid Build Coastguard WorkerUnifiedExitNode: ; preds = %bb9, %bb3 45*9880d681SAndroid Build Coastguard Worker %UnifiedRetVal = phi i32 [ 7, %bb3 ], [ 0, %bb9 ] ; <i32> [#uses=1] 46*9880d681SAndroid Build Coastguard Worker ret i32 %UnifiedRetVal 47*9880d681SAndroid Build Coastguard Worker} 48*9880d681SAndroid Build Coastguard Worker 49