| Jakob Stoklund Olesen | 580bba2 | 2010-03-05 21:49:10 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -verify-machineinstrs |
| 2 | ; |
| 3 | ; When BRCOND is constant-folded to BR, make sure that PHI nodes don't get |
| 4 | ; spurious operands when the CFG is trimmed. |
| 5 | ; |
| 6 | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| 7 | target triple = "x86_64-apple-darwin10.2" |
| 8 | |
| 9 | define fastcc void @_ZSt16__introsort_loopIPdl17less_than_functorEvT_S2_T0_T1_(double* %__first, double* %__last, i64 %__depth_limit) nounwind ssp { |
| 10 | entry: |
| 11 | br i1 undef, label %bb1, label %bb2 |
| 12 | |
| 13 | bb1: ; preds = %entry |
| 14 | ret void |
| 15 | |
| 16 | bb2: ; preds = %entry |
| 17 | br label %bb2.outer.i |
| 18 | |
| 19 | bb2.outer.i: ; preds = %bb9.i, %bb2 |
| 20 | br i1 undef, label %bb1.i, label %bb5.preheader.i |
| 21 | |
| 22 | bb1.i: ; preds = %bb1.i, %bb2.outer.i |
| 23 | %indvar5.i = phi i64 [ %tmp, %bb1.i ], [ 0, %bb2.outer.i ] ; <i64> [#uses=1] |
| 24 | %tmp = add i64 %indvar5.i, 1 ; <i64> [#uses=2] |
| 25 | %scevgep.i = getelementptr double* undef, i64 %tmp ; <double*> [#uses=0] |
| 26 | br i1 undef, label %bb1.i, label %bb5.preheader.i |
| 27 | |
| 28 | bb5.preheader.i: ; preds = %bb1.i, %bb2.outer.i |
| 29 | br label %bb5.i |
| 30 | |
| 31 | bb5.i: ; preds = %bb5.i, %bb5.preheader.i |
| 32 | br i1 undef, label %bb5.i, label %bb7.i6 |
| 33 | |
| 34 | bb7.i6: ; preds = %bb5.i |
| 35 | br i1 undef, label %bb9.i, label %_ZSt21__unguarded_partitionIPdd17less_than_functorET_S2_S2_T0_T1_.exit |
| 36 | |
| 37 | bb9.i: ; preds = %bb7.i6 |
| 38 | br label %bb2.outer.i |
| 39 | |
| 40 | _ZSt21__unguarded_partitionIPdd17less_than_functorET_S2_S2_T0_T1_.exit: ; preds = %bb7.i6 |
| 41 | unreachable |
| 42 | } |