; 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 = extractvalue %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) { entry: br label %tailrecurse 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 } ; PR6305 define void @test11() nounwind { entry: br label %A A: ; preds = %entry call void undef(i64 ptrtoint (i8* blockaddress(@test11, %A) to i64)) nounwind unreachable } ; PR6743 define void @test12() nounwind ssp { entry: br label %lbl_51 lbl_51: ; preds = %if.then, %entry %tmp3 = phi i1 [ false, %if.then ], [ undef, %entry ] ; [#uses=2] br i1 %tmp3, label %if.end12, label %if.then if.then: ; preds = %lbl_51 br i1 %tmp3, label %lbl_51, label %if.end12 if.end12: ; preds = %if.then, %lbl_51 ret void } ; PR7356 define i32 @test13(i32* %P, i8* %Ptr) { entry: indirectbr i8* %Ptr, [label %BrBlock, label %B2] B2: store i32 4, i32 *%P br label %BrBlock BrBlock: %L = load i32* %P %C = icmp eq i32 %L, 42 br i1 %C, label %T, label %F T: ret i32 123 F: ret i32 1422 } ; PR7498 define void @test14() nounwind { entry: %cmp33 = icmp slt i8 undef, 0 ; [#uses=1] %tobool = icmp eq i8 undef, 0 ; [#uses=1] br i1 %tobool, label %land.end69, label %land.rhs land.rhs: ; preds = %entry br label %land.end69 land.end69: ; preds = %land.rhs, %entry %0 = phi i1 [ undef, %land.rhs ], [ true, %entry ] ; [#uses=1] %cmp71 = or i1 true, %0 ; [#uses=1] %cmp73 = xor i1 %cmp33, %cmp71 ; [#uses=1] br i1 %cmp73, label %if.then, label %if.end if.then: ; preds = %land.end69 ret void if.end: ; preds = %land.end69 ret void } ; PR7647 define void @test15() nounwind { entry: ret void if.then237: br label %lbl_664 lbl_596: ; preds = %lbl_664, %for.end37 store volatile i64 undef, i64* undef, align 4 br label %for.cond111 for.cond111: ; preds = %safe_sub_func_int64_t_s_s.exit, %lbl_596 %storemerge = phi i8 [ undef, %cond.true.i100 ], [ 22, %lbl_596 ] ; [#uses=1] %l_678.5 = phi i64 [ %l_678.3, %cond.true.i100 ], [ undef, %lbl_596 ] ; [#uses=2] %cmp114 = icmp slt i8 %storemerge, -2 ; [#uses=1] br i1 %cmp114, label %lbl_664, label %if.end949 lbl_664: ; preds = %for.end1058, %if.then237, %for.cond111 %l_678.3 = phi i64 [ %l_678.5, %for.cond111 ], [ %l_678.2, %for.cond1035 ], [ 5, %if.then237 ] ; [#uses=1] %tobool118 = icmp eq i32 undef, 0 ; [#uses=1] br i1 %tobool118, label %cond.true.i100, label %lbl_596 cond.true.i100: ; preds = %for.inc120 br label %for.cond111 lbl_709: br label %if.end949 for.cond603: ; preds = %for.body607, %if.end336 br i1 undef, label %for.cond603, label %if.end949 if.end949: ; preds = %for.cond603, %lbl_709, %for.cond111 %l_678.2 = phi i64 [ %l_678.5, %for.cond111 ], [ undef, %lbl_709 ], [ 5, %for.cond603 ] ; [#uses=1] br label %for.body1016 for.body1016: ; preds = %for.cond1012 br label %for.body1016 for.cond1035: ; preds = %for.inc1055, %if.then1026 br i1 undef, label %for.cond1040, label %lbl_664 for.cond1040: ; preds = %for.body1044, %for.cond1035 ret void } ; PR7755 define void @test16(i1 %c, i1 %c2, i1 %c3, i1 %c4) nounwind ssp { entry: %cmp = icmp sgt i32 undef, 1 ; [#uses=1] br i1 %c, label %land.end, label %land.rhs land.rhs: ; preds = %entry br i1 %c2, label %lor.lhs.false.i, label %land.end lor.lhs.false.i: ; preds = %land.rhs br i1 %c3, label %land.end, label %land.end land.end: %0 = phi i1 [ true, %entry ], [ false, %land.rhs ], [false, %lor.lhs.false.i], [false, %lor.lhs.false.i] ; [#uses=1] %cmp12 = and i1 %cmp, %0 %xor1 = xor i1 %cmp12, %c4 br i1 %xor1, label %if.then, label %if.end if.then: ret void if.end: ret void } define void @test17() { entry: br i1 undef, label %bb269.us.us, label %bb269.us.us.us bb269.us.us.us: %indvar = phi i64 [ %indvar.next, %bb287.us.us.us ], [ 0, %entry ] %0 = icmp eq i16 undef, 0 br i1 %0, label %bb287.us.us.us, label %bb286.us.us.us bb287.us.us.us: %indvar.next = add i64 %indvar, 1 %exitcond = icmp eq i64 %indvar.next, 4 br i1 %exitcond, label %bb288.bb289.loopexit_crit_edge, label %bb269.us.us.us bb286.us.us.us: unreachable bb269.us.us: unreachable bb288.bb289.loopexit_crit_edge: unreachable } ; PR 8247 %struct.S1 = type { i8, i8 } @func_89.l_245 = internal constant %struct.S1 { i8 33, i8 6 }, align 1 define void @func_89(i16 zeroext %p_90, %struct.S1* nocapture %p_91, i32* nocapture %p_92) nounwind ssp { entry: store i32 0, i32* %p_92, align 4 br i1 false, label %lbl_260, label %if.else if.else: ; preds = %entry br label %for.cond for.cond: ; preds = %lbl_260, %if.else %l_245.0 = phi i16 [ %l_245.1, %lbl_260 ], [ 33, %if.else ] %l_261.0 = phi i32 [ %and, %lbl_260 ], [ 255, %if.else ] %tobool21 = icmp ult i16 %l_245.0, 256 br i1 %tobool21, label %if.end, label %lbl_260 lbl_260: ; preds = %for.cond, %entry %l_245.1 = phi i16 [ 1569, %entry ], [ %l_245.0, %for.cond ] %l_261.1 = phi i32 [ 255, %entry ], [ %l_261.0, %for.cond ] %and = and i32 %l_261.1, 1 br label %for.cond if.end: ; preds = %for.cond ret void } define void @PR14233(i1 %cmp, i1 %cmp2, i1 %cmp3, i1 %cmp4) { entry: br i1 %cmp, label %cond.true, label %cond.false cond.true: br label %if.end cond.false: br label %if.end if.end: %A = phi i64 [ 0, %cond.true ], [ 1, %cond.false ] br i1 %cmp2, label %bb, label %if.end2 bb: br label %if.end2 if.end2: %B = phi i64 [ ptrtoint (i8* ()* @PR14233.f1 to i64), %bb ], [ %A, %if.end ] %cmp.ptr = icmp eq i64 %B, ptrtoint (i8* ()* @PR14233.f2 to i64) br i1 %cmp.ptr, label %cond.true2, label %if.end3 cond.true2: br i1 %cmp3, label %bb2, label %ur bb2: br i1 %cmp4, label %if.end4, label %if.end3 if.end4: unreachable if.end3: %cmp.ptr2 = icmp eq i64 %B, ptrtoint (i8* ()* @PR14233.f2 to i64) br i1 %cmp.ptr2, label %ur, label %if.then601 if.then601: %C = icmp eq i64 %B, 0 br i1 %C, label %bb3, label %bb4 bb3: unreachable bb4: unreachable ur: unreachable } declare i8* @PR14233.f1() declare i8* @PR14233.f2()