1 ; RUN: llc < %s -march=ppc32 | \ 2 ; RUN: grep "b LBB.*" | count 4 3 4 target datalayout = "E-p:32:32" 5 target triple = "powerpc-apple-darwin8.7.0" 6 7 define void @foo(i32 %W, i32 %X, i32 %Y, i32 %Z) { 8 entry: 9 %tmp1 = and i32 %W, 1 ; <i32> [#uses=1] 10 %tmp1.upgrd.1 = icmp eq i32 %tmp1, 0 ; <i1> [#uses=1] 11 br i1 %tmp1.upgrd.1, label %cond_false, label %bb5 12 bb: ; preds = %bb5, %bb 13 %indvar77 = phi i32 [ %indvar.next78, %bb ], [ 0, %bb5 ] ; <i32> [#uses=1] 14 %tmp2 = tail call i32 (...)* @bar( ) ; <i32> [#uses=0] 15 %indvar.next78 = add i32 %indvar77, 1 ; <i32> [#uses=2] 16 %exitcond79 = icmp eq i32 %indvar.next78, %X ; <i1> [#uses=1] 17 br i1 %exitcond79, label %cond_next48, label %bb 18 bb5: ; preds = %entry 19 %tmp = icmp eq i32 %X, 0 ; <i1> [#uses=1] 20 br i1 %tmp, label %cond_next48, label %bb 21 cond_false: ; preds = %entry 22 %tmp10 = and i32 %W, 2 ; <i32> [#uses=1] 23 %tmp10.upgrd.2 = icmp eq i32 %tmp10, 0 ; <i1> [#uses=1] 24 br i1 %tmp10.upgrd.2, label %cond_false20, label %bb16 25 bb12: ; preds = %bb16, %bb12 26 %indvar72 = phi i32 [ %indvar.next73, %bb12 ], [ 0, %bb16 ] ; <i32> [#uses=1] 27 %tmp13 = tail call i32 (...)* @bar( ) ; <i32> [#uses=0] 28 %indvar.next73 = add i32 %indvar72, 1 ; <i32> [#uses=2] 29 %exitcond74 = icmp eq i32 %indvar.next73, %Y ; <i1> [#uses=1] 30 br i1 %exitcond74, label %cond_next48, label %bb12 31 bb16: ; preds = %cond_false 32 %tmp18 = icmp eq i32 %Y, 0 ; <i1> [#uses=1] 33 br i1 %tmp18, label %cond_next48, label %bb12 34 cond_false20: ; preds = %cond_false 35 %tmp23 = and i32 %W, 4 ; <i32> [#uses=1] 36 %tmp23.upgrd.3 = icmp eq i32 %tmp23, 0 ; <i1> [#uses=1] 37 br i1 %tmp23.upgrd.3, label %cond_false33, label %bb29 38 bb25: ; preds = %bb29, %bb25 39 %indvar67 = phi i32 [ %indvar.next68, %bb25 ], [ 0, %bb29 ] ; <i32> [#uses=1] 40 %tmp26 = tail call i32 (...)* @bar( ) ; <i32> [#uses=0] 41 %indvar.next68 = add i32 %indvar67, 1 ; <i32> [#uses=2] 42 %exitcond69 = icmp eq i32 %indvar.next68, %Z ; <i1> [#uses=1] 43 br i1 %exitcond69, label %cond_next48, label %bb25 44 bb29: ; preds = %cond_false20 45 %tmp31 = icmp eq i32 %Z, 0 ; <i1> [#uses=1] 46 br i1 %tmp31, label %cond_next48, label %bb25 47 cond_false33: ; preds = %cond_false20 48 %tmp36 = and i32 %W, 8 ; <i32> [#uses=1] 49 %tmp36.upgrd.4 = icmp eq i32 %tmp36, 0 ; <i1> [#uses=1] 50 br i1 %tmp36.upgrd.4, label %cond_next48, label %bb42 51 bb38: ; preds = %bb42 52 %tmp39 = tail call i32 (...)* @bar( ) ; <i32> [#uses=0] 53 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] 54 br label %bb42 55 bb42: ; preds = %bb38, %cond_false33 56 %indvar = phi i32 [ %indvar.next, %bb38 ], [ 0, %cond_false33 ] ; <i32> [#uses=4] 57 %W_addr.0 = sub i32 %W, %indvar ; <i32> [#uses=1] 58 %exitcond = icmp eq i32 %indvar, %W ; <i1> [#uses=1] 59 br i1 %exitcond, label %cond_next48, label %bb38 60 cond_next48: ; preds = %bb42, %cond_false33, %bb29, %bb25, %bb16, %bb12, %bb5, %bb 61 %W_addr.1 = phi i32 [ %W, %bb5 ], [ %W, %bb16 ], [ %W, %bb29 ], [ %W, %cond_false33 ], [ %W_addr.0, %bb42 ], [ %W, %bb25 ], [ %W, %bb12 ], [ %W, %bb ] ; <i32> [#uses=1] 62 %tmp50 = icmp eq i32 %W_addr.1, 0 ; <i1> [#uses=1] 63 br i1 %tmp50, label %UnifiedReturnBlock, label %cond_true51 64 cond_true51: ; preds = %cond_next48 65 %tmp52 = tail call i32 (...)* @bar( ) ; <i32> [#uses=0] 66 ret void 67 UnifiedReturnBlock: ; preds = %cond_next48 68 ret void 69 } 70 71 declare i32 @bar(...) 72
