; PR5698
define void @test7(i32 %x) {
+entry:
+ br label %tailrecurse
+
tailrecurse:
switch i32 %x, label %return [
i32 2, label %bb2
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 ] ; <i1> [#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 ; <i1> [#uses=1]
+ %tobool = icmp eq i8 undef, 0 ; <i1> [#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 ] ; <i1> [#uses=1]
+ %cmp71 = or i1 true, %0 ; <i1> [#uses=1]
+ %cmp73 = xor i1 %cmp33, %cmp71 ; <i1> [#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
+ volatile store 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 ] ; <i8> [#uses=1]
+ %l_678.5 = phi i64 [ %l_678.3, %cond.true.i100 ], [ undef, %lbl_596 ] ; <i64> [#uses=2]
+ %cmp114 = icmp slt i8 %storemerge, -2 ; <i1> [#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 ] ; <i64> [#uses=1]
+ %tobool118 = icmp eq i32 undef, 0 ; <i1> [#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 ] ; <i64> [#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 ; <i1> [#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] ; <i1> [#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
+}