1; RUN: llc < %s -march=x86-64 >/dev/null 2 3target 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" 4 5define void @test0() nounwind { 6if.end90.i.i: 7 br label %while.body.i.i221.i 8 9while.body.i.i221.i: ; preds = %while.cond.backedge.i.i.i, %if.end90.i.i 10 br i1 undef, label %if.then.i.i224.i, label %while.cond.backedge.i.i.i 11 12while.cond.backedge.i.i.i: ; preds = %for.end.i.i.i, %while.body.i.i221.i 13 br label %while.body.i.i221.i 14 15if.then.i.i224.i: ; preds = %while.body.i.i221.i 16 switch i32 undef, label %for.cond.i.i226.i [ 17 i32 92, label %sw.bb.i.i225.i 18 i32 34, label %sw.bb.i.i225.i 19 i32 110, label %sw.bb21.i.i.i 20 ] 21 22sw.bb.i.i225.i: ; preds = %if.then.i.i224.i, %if.then.i.i224.i 23 unreachable 24 25sw.bb21.i.i.i: ; preds = %if.then.i.i224.i 26 unreachable 27 28for.cond.i.i226.i: ; preds = %for.body.i.i.i, %if.then.i.i224.i 29 %0 = phi i64 [ %tmp154.i.i.i, %for.body.i.i.i ], [ 0, %if.then.i.i224.i ] ; <i64> [#uses=2] 30 %tmp154.i.i.i = add i64 %0, 1 ; <i64> [#uses=2] 31 %i.0.i.i.i = trunc i64 %0 to i32 ; <i32> [#uses=1] 32 br i1 undef, label %land.rhs.i.i.i, label %for.end.i.i.i 33 34land.rhs.i.i.i: ; preds = %for.cond.i.i226.i 35 br i1 undef, label %for.body.i.i.i, label %for.end.i.i.i 36 37for.body.i.i.i: ; preds = %land.rhs.i.i.i 38 br label %for.cond.i.i226.i 39 40for.end.i.i.i: ; preds = %land.rhs.i.i.i, %for.cond.i.i226.i 41 %idx.ext.i.i.i = sext i32 %i.0.i.i.i to i64 ; <i64> [#uses=1] 42 %sub.ptr72.sum.i.i.i = xor i64 %idx.ext.i.i.i, -1 ; <i64> [#uses=1] 43 %pos.addr.1.sum155.i.i.i = add i64 %tmp154.i.i.i, %sub.ptr72.sum.i.i.i ; <i64> [#uses=1] 44 %arrayidx76.i.i.i = getelementptr inbounds i8* undef, i64 %pos.addr.1.sum155.i.i.i ; <i8*> [#uses=0] 45 br label %while.cond.backedge.i.i.i 46} 47 48define void @test1() nounwind { 49entry: 50 %t = shl i32 undef, undef ; <i32> [#uses=1] 51 %t9 = sub nsw i32 0, %t ; <i32> [#uses=1] 52 br label %outer 53 54outer: ; preds = %bb18, %bb 55 %i12 = phi i32 [ %t21, %bb18 ], [ 0, %entry ] ; <i32> [#uses=2] 56 %i13 = phi i32 [ %t20, %bb18 ], [ 0, %entry ] ; <i32> [#uses=2] 57 br label %inner 58 59inner: ; preds = %bb16, %bb11 60 %t17 = phi i32 [ %i13, %outer ], [ undef, %inner ] ; <i32> [#uses=1] 61 store i32 %t17, i32* undef 62 br i1 undef, label %bb18, label %inner 63 64bb18: ; preds = %bb16 65 %t19 = add i32 %i13, %t9 ; <i32> [#uses=1] 66 %t20 = add i32 %t19, %i12 ; <i32> [#uses=1] 67 %t21 = add i32 %i12, 1 ; <i32> [#uses=1] 68 br label %outer 69} 70