; RUN: opt < %s -jump-threading -disable-output ; PR2285 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" target triple = "x86_64-unknown-linux-gnu" %struct.system__secondary_stack__mark_id = type { i64, i64 } define void @_ada_c35507b() { entry: br label %bb bb: ; preds = %bb13, %entry %ch.0 = phi i8 [ 0, %entry ], [ 0, %bb13 ] ; [#uses=1] %tmp11 = icmp ugt i8 %ch.0, 31 ; [#uses=1] %tmp120 = call %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark( ) ; <%struct.system__secondary_stack__mark_id> [#uses=1] br i1 %tmp11, label %bb110, label %bb13 bb13: ; preds = %bb br label %bb bb110: ; preds = %bb %mrv_gr124 = getresult %struct.system__secondary_stack__mark_id %tmp120, 1 ; [#uses=0] unreachable } declare %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark() define fastcc void @findratio(double* nocapture %res1, double* nocapture %res2) nounwind ssp { entry: br label %bb12 bb6.us: %tmp = icmp eq i32 undef, undef %tmp1 = fsub double undef, undef %tmp2 = fcmp ult double %tmp1, 0.000000e+00 br i1 %tmp, label %bb6.us, label %bb13 bb12: %tmp3 = fcmp ult double undef, 0.000000e+00 br label %bb13 bb13: %.lcssa31 = phi double [ undef, %bb12 ], [ %tmp1, %bb6.us ] %.lcssa30 = phi i1 [ %tmp3, %bb12 ], [ %tmp2, %bb6.us ] br i1 %.lcssa30, label %bb15, label %bb61 bb15: %tmp4 = fsub double -0.000000e+00, %.lcssa31 ret void bb61: ret void } ; PR5258 define i32 @test(i1 %cond, i1 %cond2, i32 %a) { A: br i1 %cond, label %F, label %A1 F: br label %A1 A1: %d = phi i1 [false, %A], [true, %F] %e = add i32 %a, %a br i1 %d, label %B, label %G G: br i1 %cond2, label %B, label %D B: %f = phi i32 [%e, %G], [%e, %A1] %b = add i32 0, 0 switch i32 %a, label %C [ i32 7, label %D i32 8, label %D i32 9, label %D ] C: br label %D D: %c = phi i32 [%e, %B], [%e, %B], [%e, %B], [%f, %C], [%e, %G] ret i32 %c E: ret i32 412 } define i32 @test2() nounwind { entry: br i1 true, label %decDivideOp.exit, label %bb7.i bb7.i: ; preds = %bb7.i, %entry br label %bb7.i decDivideOp.exit: ; preds = %entry ret i32 undef } ; PR3298 define i32 @test3(i32 %p_79, i32 %p_80) nounwind { entry: br label %bb7 bb1: ; preds = %bb2 br label %bb2 bb2: ; preds = %bb7, %bb1 %l_82.0 = phi i8 [ 0, %bb1 ], [ %l_82.1, %bb7 ] ; [#uses=3] br i1 true, label %bb3, label %bb1 bb3: ; preds = %bb2 %0 = icmp eq i32 %p_80_addr.1, 0 ; [#uses=1] br i1 %0, label %bb7, label %bb6 bb5: ; preds = %bb6 %1 = icmp eq i8 %l_82.0, 0 ; [#uses=1] br i1 %1, label %bb1.i, label %bb.i bb.i: ; preds = %bb5 br label %safe_div_func_char_s_s.exit bb1.i: ; preds = %bb5 br label %safe_div_func_char_s_s.exit safe_div_func_char_s_s.exit: ; preds = %bb1.i, %bb.i br label %bb6 bb6: ; preds = %safe_div_func_char_s_s.exit, %bb3 %p_80_addr.0 = phi i32 [ %p_80_addr.1, %bb3 ], [ 1, %safe_div_func_char_s_s.exit ] ; [#uses=2] %2 = icmp eq i32 %p_80_addr.0, 0 ; [#uses=1] br i1 %2, label %bb7, label %bb5 bb7: ; preds = %bb6, %bb3, %entry %l_82.1 = phi i8 [ 1, %entry ], [ %l_82.0, %bb3 ], [ %l_82.0, %bb6 ] ; [#uses=2] %p_80_addr.1 = phi i32 [ 0, %entry ], [ %p_80_addr.1, %bb3 ], [ %p_80_addr.0, %bb6 ] ; [#uses=4] %3 = icmp eq i32 %p_80_addr.1, 0 ; [#uses=1] br i1 %3, label %bb8, label %bb2 bb8: ; preds = %bb7 %4 = sext i8 %l_82.1 to i32 ; [#uses=0] ret i32 0 } ; PR3353 define i32 @test4(i8 %X) { entry: %Y = add i8 %X, 1 %Z = add i8 %Y, 1 br label %bb33.i bb33.i: ; preds = %bb33.i, %bb32.i switch i8 %Y, label %bb32.i [ i8 39, label %bb35.split.i i8 13, label %bb33.i ] bb35.split.i: ret i32 5 bb32.i: ret i32 1 } define fastcc void @test5(i1 %tmp, i32 %tmp1) nounwind ssp { entry: br i1 %tmp, label %bb12, label %bb13 bb12: br label %bb13 bb13: %.lcssa31 = phi i32 [ undef, %bb12 ], [ %tmp1, %entry ] %A = and i1 undef, undef br i1 %A, label %bb15, label %bb61 bb15: ret void bb61: ret void } ; PR5640 define fastcc void @test6(i1 %tmp, i1 %tmp1) nounwind ssp { entry: br i1 %tmp, label %bb12, label %bb14 bb12: br label %bb14 bb14: %A = phi i1 [ %A, %bb13 ], [ true, %bb12 ], [%tmp1, %entry] br label %bb13 bb13: br i1 %A, label %bb14, label %bb61 bb61: ret void } ; PR5698 define void @test7(i32 %x) { tailrecurse: switch i32 %x, label %return [ i32 2, label %bb2 i32 3, label %bb ] bb: switch i32 %x, label %return [ i32 2, label %bb2 i32 3, label %tailrecurse ] bb2: ret void return: ret void } ; PR6119 define i32 @test8(i32 %action) nounwind { entry: switch i32 %action, label %lor.rhs [ i32 1, label %if.then i32 0, label %lor.end ] if.then: ; preds = %for.cond, %lor.end, %entry ret i32 undef lor.rhs: ; preds = %entry br label %lor.end lor.end: ; preds = %lor.rhs, %entry %cmp103 = xor i1 undef, undef ; [#uses=1] br i1 %cmp103, label %for.cond, label %if.then for.cond: ; preds = %for.body, %lor.end br i1 undef, label %if.then, label %for.body for.body: ; preds = %for.cond br label %for.cond } ; PR6119 define i32 @test9(i32 %action) nounwind { entry: switch i32 %action, label %lor.rhs [ i32 1, label %if.then i32 0, label %lor.end ] if.then: ; preds = %for.cond, %lor.end, %entry ret i32 undef lor.rhs: ; preds = %entry br label %lor.end lor.end: ; preds = %lor.rhs, %entry %0 = phi i1 [ undef, %lor.rhs ], [ true, %entry ] ; [#uses=1] %cmp103 = xor i1 undef, %0 ; [#uses=1] br i1 %cmp103, label %for.cond, label %if.then for.cond: ; preds = %for.body, %lor.end br i1 undef, label %if.then, label %for.body for.body: ; preds = %for.cond br label %for.cond } ; PR6119 define i32 @test10(i32 %action, i32 %type) nounwind { entry: %cmp2 = icmp eq i32 %type, 0 ; [#uses=1] switch i32 %action, label %lor.rhs [ i32 1, label %if.then i32 0, label %lor.end ] if.then: ; preds = %for.cond, %lor.end, %entry ret i32 undef lor.rhs: ; preds = %entry %cmp101 = icmp eq i32 %action, 2 ; [#uses=1] br label %lor.end lor.end: ; preds = %lor.rhs, %entry %0 = phi i1 [ %cmp101, %lor.rhs ], [ true, %entry ] ; [#uses=1] %cmp103 = xor i1 %cmp2, %0 ; [#uses=1] br i1 %cmp103, label %for.cond, label %if.then for.cond: ; preds = %for.body, %lor.end br i1 undef, label %if.then, label %for.body for.body: ; preds = %for.cond br label %for.cond }